Edit zvol - Revision history

migrate>Ka-P at 09:45, 26 August 2019

2019-08-26T09:45:58Z

← Older revision		Revision as of 09:45, 26 August 2019
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	This function allows you to create a new zvol. You have to fill up or choose detailed information related to zvol:		This function allows you to create a new zvol. You have to fill up or choose detailed information related to zvol:

	*'''NAME''' - Name the new Zvol		*'''NAME''' - Name the new Zvol. Once created, the name can be changed as long as the zvol is NOT attached to a target, NOT used in a backup task and NO snapshots have been created yet.
	*'''SIZE''' - Size of new Zvol. The unit for this values is '''GiB (Gibibyte).'''		*'''SIZE''' - Size of new Zvol. The unit for this values is '''GiB (Gibibyte).'''

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	::For example, 1 '''GiB''' = 1024 × 1 MiB = 1024 × 1024 × 1 KiB = 1024 × 1024 × 1024 × 1 B = 1 073 741 824 ~ 1070 GB		::For example, 1 '''GiB''' = 1024 × 1 MiB = 1024 × 1024 × 1 KiB = 1024 × 1024 × 1024 × 1 B = 1 073 741 824 ~ 1070 GB

	*'''PROVISIONING''':		'''PROVISIONING''':'''thin provisioning''' - involves using virtualization technology to give the appearance of having more physical resources than are actually available. Use this format to save storage space. For the thin disk, you provision as much datastore space as the disk would require based on the value that you enter for the disk size. However, the thin disk starts small and at first, uses only as much datastore space as the disk needs for its initial operations.
	**'''thin provisioning''' - involves using virtualization technology to give the appearance of having more physical resources than are actually available. Use this format to save storage space. For the thin disk, you provision as much datastore space as the disk would require based on the value that you enter for the disk size. However, the thin disk starts small and at first, uses only as much datastore space as the disk needs for its initial operations.
	**'''thick provisioning''' - creates a virtual disk in a thick format. Space required for the virtual disk is allocated when the virtual disk is created. Data remaining on the physical device is not erased during creation.		**'''thick provisioning''' - creates a virtual disk in a thick format. Space required for the virtual disk is allocated when the virtual disk is created. Data remaining on the physical device is not erased during creation.

	*'''DEDUPLICATION''':		'''DEDUPLICATION''':'''Disabled (default)'''
	**'''Disabled (default)'''
	**'''On''' - is a pseudonym for "sha256"		**'''On''' - is a pseudonym for "sha256"
	**'''Verify''' - is a pseudonym for "sha256,verify", option that performs a full comparison of every incoming block with any alleged duplicate to ensure that they really are the same		**'''Verify''' - is a pseudonym for "sha256,verify", option that performs a full comparison of every incoming block with any alleged duplicate to ensure that they really are the same

Ma-W at 11:28, 9 April 2019

2019-04-09T11:28:26Z

← Older revision		Revision as of 11:28, 9 April 2019
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	::For example, 1 '''GiB''' = 1024 × 1 MiB = 1024 × 1024 × 1 KiB = 1024 × 1024 × 1024 × 1 B = 1 073 741 824 ~ 1070 GB		::For example, 1 '''GiB''' = 1024 × 1 MiB = 1024 × 1024 × 1 KiB = 1024 × 1024 × 1024 × 1 B = 1 073 741 824 ~ 1070 GB

	'''PROVISIONING''':'''thin provisioning''' - involves using virtualization technology to give the appearance of having more physical resources than are actually available. Use this format to save storage space. For the thin disk, you provision as much datastore space as the disk would require based on the value that you enter for the disk size. However, the thin disk starts small and at first, uses only as much datastore space as the disk needs for its initial operations.		*'''PROVISIONING''':
			**'''thin provisioning''' - involves using virtualization technology to give the appearance of having more physical resources than are actually available. Use this format to save storage space. For the thin disk, you provision as much datastore space as the disk would require based on the value that you enter for the disk size. However, the thin disk starts small and at first, uses only as much datastore space as the disk needs for its initial operations.
	**'''thick provisioning''' - creates a virtual disk in a thick format. Space required for the virtual disk is allocated when the virtual disk is created. Data remaining on the physical device is not erased during creation.		**'''thick provisioning''' - creates a virtual disk in a thick format. Space required for the virtual disk is allocated when the virtual disk is created. Data remaining on the physical device is not erased during creation.

	'''DEDUPLICATION''':'''Disabled (default)'''		*'''DEDUPLICATION''':
			**'''Disabled (default)'''
	**'''On''' - is a pseudonym for "sha256"		**'''On''' - is a pseudonym for "sha256"
	**'''Verify''' - is a pseudonym for "sha256,verify", option that performs a full comparison of every incoming block with any alleged duplicate to ensure that they really are the same		**'''Verify''' - is a pseudonym for "sha256,verify", option that performs a full comparison of every incoming block with any alleged duplicate to ensure that they really are the same

Ma-W at 11:26, 9 April 2019

2019-04-09T11:26:05Z

← Older revision		Revision as of 11:26, 9 April 2019
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	This function allows ~~You~~ to create a new zvol. You have to fill up or choose detailed information related to zvol:		This function allows you to create a new zvol. You have to fill up or choose detailed information related to zvol:

	*'''NAME''' - Name the new Zvol		*'''NAME''' - Name the new Zvol
	*'''SIZE''' - Size of new Zvol. The unit for this values is '''GiB (Gibibyte).'''		*'''SIZE''' - Size of new Zvol. The unit for this values is '''GiB (Gibibyte).'''

	::In general, if ~~You~~ multiply 1024 · 1024 · 1024 = 1 073 741 824b, which is a result of eqaul 2<sup>30</sup>.		::In general, if you multiply 1024 · 1024 · 1024 = 1 073 741 824b, which is a result of eqaul 2<sup>30</sup>.<br/>
	::For example, 1 '''GiB''' = 1024 × 1 MiB = 1024 × 1024 × 1 KiB = 1024 × 1024 × 1024 × 1 B = 1 073 741 824 ~ 1070 GB		::For example, 1 '''GiB''' = 1024 × 1 MiB = 1024 × 1024 × 1 KiB = 1024 × 1024 × 1024 × 1 B = 1 073 741 824 ~ 1070 GB

Ma-W at 14:29, 27 March 2019

2019-03-27T14:29:23Z

← Older revision		Revision as of 14:29, 27 March 2019
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	::For example, 1 '''GiB''' = 1024 × 1 MiB = 1024 × 1024 × 1 KiB = 1024 × 1024 × 1024 × 1 B = 1 073 741 824 ~ 1070 GB		::For example, 1 '''GiB''' = 1024 × 1 MiB = 1024 × 1024 × 1 KiB = 1024 × 1024 × 1024 × 1 B = 1 073 741 824 ~ 1070 GB

	*'''PROVISIONING''':		'''PROVISIONING''':'''thin provisioning''' - involves using virtualization technology to give the appearance of having more physical resources than are actually available. Use this format to save storage space. For the thin disk, you provision as much datastore space as the disk would require based on the value that you enter for the disk size. However, the thin disk starts small and at first, uses only as much datastore space as the disk needs for its initial operations.
	**'''thin provisioning''' - involves using virtualization technology to give the appearance of having more physical resources than are actually available. Use this format to save storage space. For the thin disk, you provision as much datastore space as the disk would require based on the value that you enter for the disk size. However, the thin disk starts small and at first, uses only as much datastore space as the disk needs for its initial operations.
	**'''thick provisioning''' - creates a virtual disk in a thick format. Space required for the virtual disk is allocated when the virtual disk is created. Data remaining on the physical device is not erased during creation.		**'''thick provisioning''' - creates a virtual disk in a thick format. Space required for the virtual disk is allocated when the virtual disk is created. Data remaining on the physical device is not erased during creation.

	*'''DEDUPLICATION''':		'''DEDUPLICATION''':'''Disabled (default)'''
	**'''Disabled (default)'''
	**'''On''' - is a pseudonym for "sha256"		**'''On''' - is a pseudonym for "sha256"
	**'''Verify''' - is a pseudonym for "sha256,verify", option that performs a full comparison of every incoming block with any alleged duplicate to ensure that they really are the same		**'''Verify''' - is a pseudonym for "sha256,verify", option that performs a full comparison of every incoming block with any alleged duplicate to ensure that they really are the same
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	**'''ZLE''' is a very fast compression method, with very light compression ratios.		**'''ZLE''' is a very fast compression method, with very light compression ratios.
	**'''lz4''' - is intended as a faster and smarter replacement for lzjb		**'''lz4''' - is intended as a faster and smarter replacement for lzjb
	*'''VOLUME BLOCK SIZE''' - specifies the block size of the volume. The blocksize cannot be changed once the volume has been written, so it should be set at volume creation time. The default value is '''128 KiB'''. You can choose between : 4; 8; 16; 32; 64; 128, 256; 512 [KiB] and 1 [MB].		*'''VOLUME BLOCK SIZE''' - specifies the block size of the volume. The blocksize cannot be changed once the volume has been written, so it should be set at volume creation time. The default value is '''128 KiB'''. You can choose between : 4; 8; 16; 32; 64; 128, 256; 512 [KiB] and 1 [MB].
	*'''SYNC''' - you can choose between three options:		*'''SYNC''' - you can choose between three options:
	**'''always (default)'''		**'''always (default)'''
	**'''standard'''		**'''standard'''
	**'''disabled'''		**'''disabled'''
	*'''LOG BIAS ~~ - ~~'''~~<span style="font-size: small"><span style="font-family:arial,helvetica,sans~~-~~serif">~~Use this property to provide a hint to system about handling synchronous requests for a specific dataset. If~~ </span></span><span style="font-family: arial, helvetica, sans-serif; font-size: small">~~logbias~~</span><span style="font-size: small; font-family: arial, helvetica, sans-serif"> ~~is set to latency,~~</span><font style="font-size: small" face="arial, helvetica, sans-serif"> ~~JovianDSS uses the pool's separate log devices, if any, to handle the requests at low latency. If~~ </font><span style="font-family: arial, helvetica, sans-serif; font-size: small">~~logbias~~ </span><font style="font-size: small" face="arial, helvetica, sans-serif">~~is set to throughput~~</font><font style="font-size: small" face="arial, helvetica, sans-serif">~~, the system does not use the pool's separate log devices. Instead, JovianDSS optimizes synchronous operations for global pool throughput and efficient use of resources. The default value is~~ </font><span style="font-family: arial, helvetica, sans-serif; font-size: small">~~latency~~</span><font style="font-size: small" face="arial, helvetica, sans-serif">~~. For most configurations, the default value is recommended.~~ </font>~~		*'''LOG BIAS''' - Use this property to provide a hint to system about handling synchronous requests for a specific dataset. If logbias is set to latency, JovianDSS uses the pool's separate log devices, if any, to handle the requests at low latency. If logbias is set to throughput, the system does not use the pool's separate log devices. Instead, JovianDSS optimizes synchronous operations for global pool throughput and efficient use of resources. The default value is latency. For most configurations, the default value is recommended.

	*~~<span style="font-size:small"><span style="font-family:arial,helvetica,sans-serif">~~'''PRIMARY CACHE~~ ~~'''-~~ <span style="color: rgb(0, 0, 0)">~~Controls what is cached in the primary cache (ARC). If this ~~prop</span><span style="color: rgb(0, 0, 0)">erty~~ is set to "all", then both user data and metadata is cached.~~</span><span style="color: rgb(0, 0, 0)">~~If this property is set to "none", then neither user data nor ~~metad</span><span style="color: rgb(0, 0, 0)">ata~~ is cached. If this property is set to "metadata", then only~~</span><span style="color: rgb(0, 0, 0)"> ~~metadata is cached. The default value is "all".~~</span></span></span>~~		*'''PRIMARY CACHE''' - Controls what is cached in the primary cache (ARC). If this property is set to "all", then both user data and metadata is cached. If this property is set to "none", then neither user data nor metadata is cached. If this property is set to "metadata", then only metadata is cached. The default value is "all".
	*~~<span style="font-family:arial,helvetica,sans-serif"><span style="font-size:small">~~'''SECONDARY CACHE~~ ~~'''-~~ <span style="color: rgb(0, 0, 0)">~~Controls what is cached in the secondary cache (L2ARC). If this~~</span><span style="color: rgb(0, 0, 0)"> ~~property is set to "all", then both user data and metadata is~~ </span><span style="color: rgb(0, 0, 0)">~~cached. If this property is set to "none", then neither user data~~</span><span style="color: rgb(0, 0, 0)"> ~~nor metadata is cached. If this property is set to "metadata", then~~ ~~only metadata is cached. The default value is "all".~~</span></span></span>~~		*'''SECONDARY CACHE''' - Controls what is cached in the secondary cache (L2ARC). If this property is set to "all", then both user data and metadata is cached. If this property is set to "none", then neither user data nor metadata is cached. If this property is set to "metadata", then only metadata is cached. The default value is "all".
	*'''COPIES~~ ~~'''~~<span style="font-size: small; font-family: arial, helvetica, sans-serif">- </span><span style="font-size: small; font~~-~~family: arial, helvetica, sans-serif; color: rgb(0, 0, 0)">~~Controls the number of copies of data stored for this dataset.~~</span><span style="font-size: small; font-family: arial, helvetica, sans-serif; color: rgb(0, 0, 0)"> ~~These copies are in addition to any redundancy provided by the~~</span><span style="font-size: small; font-family: arial, helvetica, sans-serif; color: rgb(0, 0, 0)"> ~~pool, for example, mirroring or raid-z. The copies are stored on~~</span><span style="font-size: small; font-family: arial, helvetica, sans-serif; color: rgb(0, 0, 0)"> ~~different disks, if possible. The space used by multiple copies is~~</span><span style="font-size: small; font-family: arial, helvetica, sans-serif; color: rgb(0, 0, 0)"> ~~charged to the associated file and dataset, changing the "used"~~ </span><span style="font-size: small; font-family: arial, helvetica, sans-serif; color: rgb(0, 0, 0)">~~property and counting against quotas and reservations.~~</span><span style="font-size: small; font-family: arial, helvetica, sans-serif; color: rgb(0, 0, 0)">~~Changing this property only affects newly-written data.~~</span>~~		*'''COPIES''' - Controls the number of copies of data stored for this dataset. These copies are in addition to any redundancy provided by the pool, for example, mirroring or raid-z. The copies are stored on different disks, if possible. The space used by multiple copies is charged to the associated file and dataset, changing the "used" property and counting against quotas and reservations. Changing this property only affects newly-written data.

	<span style="font-size: small; font-family: arial, helvetica, sans-serif; color: rgb(0, 0, 0)"></span><span style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: small">You can attach this newly created zvol to a target. To do that, you have to~~ ~~:~~</span>~~		You can attach this newly created zvol to a target. To do that, you have to:

	*~~<span style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: small">~~choose one of the existing '''Target~~ ~~'''~~</span><span style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: small">~~name~~</span>~~		*choose one of the existing '''Target''' name
	*~~<span style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: small">~~define the '''SCSI ID~~ ~~'''~~</span><span style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: small">~~for the target, you can generate a random SCSI ID number.~~ </span><span style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: small"> </span>~~		*define the '''SCSI ID''' for the target, you can generate a random SCSI ID number.
	*~~<span style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: small">~~define the~~ ~~'''LUN~~ ~~'''~~</span><span style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: small">~~for the target~~</span>~~		*define the '''LUN''' for the target
	*~~<span style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: small">~~'''Access mode~~ ~~'''for the target - the default is~~ ~~'''Read-Write~~, ~~'''you can choose the~~ ~~'''Read-Only~~ ~~'''option.~~</span>~~		*'''Access mode''' for the target - the default is '''Read-Write''', you can choose the '''Read-Only''' option.

	[[Category:Help topics]]		[[Category:Help topics]]

Ma-W at 14:20, 27 March 2019

2019-03-27T14:20:19Z

← Older revision		Revision as of 14:20, 27 March 2019
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	*'''SIZE''' - Size of new Zvol. The unit for this values is '''GiB (Gibibyte).'''		*'''SIZE''' - Size of new Zvol. The unit for this values is '''GiB (Gibibyte).'''

	:In general, if You multiply 1024 · 1024 · 1024 = 1 073 741 824b, which is a result of eqaul 2<sup>30</sup>.		::In general, if You multiply 1024 · 1024 · 1024 = 1 073 741 824b, which is a result of eqaul 2<sup>30</sup>.
	:For example, 1 '''GiB''' = 1024 × 1 MiB = 1024 × 1024 × 1 KiB = 1024 × 1024 × 1024 × 1 B = 1 073 741 824 ~ 1070 GB		::For example, 1 '''GiB''' = 1024 × 1 MiB = 1024 × 1024 × 1 KiB = 1024 × 1024 × 1024 × 1 B = 1 073 741 824 ~ 1070 GB

	'''PROVISIONING''':~~<div><span style="font-size:small"><span style="font-family:arial,helvetica,sans-serif">~~'''thin provisioning -'''~~<span style="color: rgb(37, 37, 37);~~ ~~line-height: 22.399999618530273px"> ~~involves using ~~v</span>irtualization~~ technology~~<span style="color: rgb(37, 37, 37); line-height: 22.399999618530273px"> ~~to give the appearance of having more physical resources than are actually available.~~ </span><span style="color: rgb(51, 51, 51); line-height: 18px">~~Use this format to save storage space. For the thin disk, you provision as much datastore space as the disk would require based on the value that you enter for the disk size. However, the thin disk starts small and at first, uses only as much datastore space as the disk needs for its initial operations.~~</span></span></span></div>~~		*'''PROVISIONING''':
	**~~<div><span style="font-size:small"><span style="font-family:arial,helvetica,sans-serif"><span style="color: rgb(37, 37, 37); line-height: 22.399999618530273px">~~'''thick provisioning''' -~~ </span><span style="color: rgb(51, 51, 51); line-height: 18px">~~creates a virtual disk in a thick format. Space required for the virtual disk is allocated when the virtual disk is created. Data remaining on the physical device is not erased during creation.~~</span></span></span></div>~~		**'''thin provisioning''' - involves using virtualization technology to give the appearance of having more physical resources than are actually available. Use this format to save storage space. For the thin disk, you provision as much datastore space as the disk would require based on the value that you enter for the disk size. However, the thin disk starts small and at first, uses only as much datastore space as the disk needs for its initial operations.
			**'''thick provisioning''' - creates a virtual disk in a thick format. Space required for the virtual disk is allocated when the virtual disk is created. Data remaining on the physical device is not erased during creation.

	*~~<div><span style="font-size:small"><span style="font-family:arial,helvetica,sans-serif">~~'''DEDUPLICATION'''~~ ~~:~~</span></span></div>~~		*'''DEDUPLICATION''':
	**~~<span style="font-size:small"><span style="font-family:arial,helvetica,sans-serif">~~'''Disabled (default)'''~~</span></span>~~		**'''Disabled (default)'''
	**~~<span style="font-size:small"><span style="font-family:arial,helvetica,sans-serif">~~'''On ~~- ~~'''~~<span style="color: rgb(51, 51, 51); line-height: 19.200000762939453px; text~~-~~align: justify">~~is a pseudonym for "sha256"~~</span></span></span>~~		**'''On''' - is a pseudonym for "sha256"
	**~~<span style="font-size:small"><span style="font-family:arial,helvetica,sans-serif">~~'''Verify ~~- ~~'''~~<span style="color: rgb(51, 51, 51); line-height: 19.200000762939453px; text~~-~~align: justify">~~is a pseudonym for "sha256,verify",~~ </span><span style="color: rgb(85, 85, 85); line-height: 18px">~~option that performs a full comparison of every incoming block with any alleged duplicate to ensure that they really are the same~~</span></span></span>~~		**'''Verify''' - is a pseudonym for "sha256,verify", option that performs a full comparison of every incoming block with any alleged duplicate to ensure that they really are the same
	**~~<span style="font-size:small"><span style="font-family:arial,helvetica,sans-serif">~~'''sha 256 ~~- ~~'''performs a operation where~~ <span style="color: rgb(85, 85, 85); line-height: 18px">~~same output given two different inputs, then it is reasonable to assume that when two blocks have the same checksum, they are in fact the same block.~~</span></span></span>~~		**'''sha 256''' - performs a operation where same output given two different inputs, then it is reasonable to assume that when two blocks have the same checksum, they are in fact the same block.
	**~~<span style="font-size:small"><span style="font-family:arial,helvetica,sans-serif">~~'''sha 256, verify ~~- ~~'''~~<span style="color: rgb(51, 51, 51); line~~-~~height: 19.200000762939453px; text-align: justify">~~enables an ability to detect and correct hash collisions, however this is very system intensive and is not recommended for casual use~~</span></span></span>~~		**'''sha 256, verify''' - enables an ability to detect and correct hash collisions, however this is very system intensive and is not recommended for casual use

	*~~<span style="font-size:small"><span style="font-family:arial,helvetica,sans-serif">~~'''COMPRESSION ~~- ~~'''there are several data compression methods - you will see all available methods from the drop-down list. The default compression method is~~ ~~'''LZ4'''''.''You can also choose no compression ''('''''NONE''').~~</span></span>~~		*'''COMPRESSION''' - there are several data compression methods - you will see all available methods from the drop-down list. The default compression method is '''LZ4'''. You can also choose no compression ('''NONE''').
	**~~<span style="font-size:small"><span style="font-family:arial,helvetica,sans-serif"><span style="line-height: 18px">~~'''GZIP''', the standards levels of 1 through 9 are supported, where 1 is as fast as possible, with the least compression, and 9 is as compressed as possible, taking as much time as necessary.~~</span></span></span>~~		**'''GZIP''', the standards levels of 1 through 9 are supported, where 1 is as fast as possible, with the least compression, and 9 is as compressed as possible, taking as much time as necessary.
	**~~<span style="font-size:small"><span style="font-family:arial,helvetica,sans-serif"><span style="line-height: 18px">~~'''LZJB''' - ~~ ~~is a fast method with tight compression ratios, which is standard with most Lempel-Ziv algorithms. LZJB seems to provide the best all around results in terms of performance and compression.~~</span></span></span>~~		**'''LZJB''' - is a fast method with tight compression ratios, which is standard with most Lempel-Ziv algorithms. LZJB seems to provide the best all around results in terms of performance and compression.
	**~~<span style="font-size:small"><span style="font-family:arial,helvetica,sans-serif"><span style="line-height: 18px">~~'''ZLE''' is a very fast compression method, with very light compression ratios.~~</span></span></span>~~		**'''ZLE''' is a very fast compression method, with very light compression ratios.
	**~~<span style="font-size:small"><span style="font-family:arial,helvetica,sans-serif"><span style="line-height: 18px">~~'''lz4''' - is intended as a faster and smarter replacement for lzjb~~</span></span></span>~~		**'''lz4''' - is intended as a faster and smarter replacement for lzjb
	*~~<span style="font-size:small"><span style="line-height: 18px"></span>~~'''VOLUME BLOCK SIZE ~~ -~~ '''~~s<span style="color: rgb(0, 0, 0)">pecifies~~ the block size of the volume. The blocksize~~ </span><span style="color: rgb(0, 0, 0)">~~cannot be changed once the volume has been written, so it should be~~ ~~set at volume creation time.~~ </span></span>''''''<span style="font-size: small">the~~ default value is ~~</span>~~'''128'''~~<span style="font-size: small"> </span>'''KiB~~.~~ '''~~You can choose between~~ ~~: 4; 8; 16; 32; 64; 128, 256; 512 [KiB] and 1 [MB].		*'''VOLUME BLOCK SIZE''' - specifies the block size of the volume. The blocksize cannot be changed once the volume has been written, so it should be set at volume creation time. The default value is '''128 KiB'''. You can choose between : 4; 8; 16; 32; 64; 128, 256; 512 [KiB] and 1 [MB].
	*'''SYNC~~ ~~''' - you can choose between three options~~ ~~:		*'''SYNC''' - you can choose between three options:
	**'''always (default)'''		**'''always (default)'''
	**'''standard'''		**'''standard'''

Ma-W at 13:29, 27 March 2019

2019-03-27T13:29:16Z

← Older revision		Revision as of 13:29, 27 March 2019
Line 1:		Line 1:
	This function allows You to create a new zvol. You have to fill up or choose detailed information related to zvol:		This function allows You to create a new zvol. You have to fill up or choose detailed information related to zvol:

	*'''NAME''' - Name the new Zvol		*'''NAME''' - Name the new Zvol
	*'''SIZE''' - Size of new Zvol. The unit for this values is '''GiB (Gibibyte).'''		*'''SIZE''' - Size of new Zvol. The unit for this values is '''GiB (Gibibyte).'''
	In general, if You multiply 1024 · 1024 · 1024 = 1 073 741 824b, which is a result of eqaul 2<sup>30</sup>.
	For example, 1 '''GiB''' = 1024 × 1 MiB = 1024 × 1024 × 1 KiB = 1024 × 1024 × 1024 × 1 B = 1 073 741 824 ~ 1070 GB		:In general, if You multiply 1024 · 1024 · 1024 = 1 073 741 824b, which is a result of eqaul 2<sup>30</sup>.
	*'''PROVISIONING''':		:For example, 1 '''GiB''' = 1024 × 1 MiB = 1024 × 1024 × 1 KiB = 1024 × 1024 × 1024 × 1 B = 1 073 741 824 ~ 1070 GB
	**<div><span style="font-size:small"><span style="font-family:arial,helvetica,sans-serif">'''thin provisioning -'''<span style="color: rgb(37, 37, 37); line-height: 22.399999618530273px"> involves using v</span>irtualization technology<span style="color: rgb(37, 37, 37); line-height: 22.399999618530273px"> to give the appearance of having more physical resources than are actually available. </span><span style="color: rgb(51, 51, 51); line-height: 18px">Use this format to save storage space. For the thin disk, you provision as much datastore space as the disk would require based on the value that you enter for the disk size. However, the thin disk starts small and at first, uses only as much datastore space as the disk needs for its initial operations.</span></span></span></div>
			'''PROVISIONING''':<div><span style="font-size:small"><span style="font-family:arial,helvetica,sans-serif">'''thin provisioning -'''<span style="color: rgb(37, 37, 37); line-height: 22.399999618530273px"> involves using v</span>irtualization technology<span style="color: rgb(37, 37, 37); line-height: 22.399999618530273px"> to give the appearance of having more physical resources than are actually available. </span><span style="color: rgb(51, 51, 51); line-height: 18px">Use this format to save storage space. For the thin disk, you provision as much datastore space as the disk would require based on the value that you enter for the disk size. However, the thin disk starts small and at first, uses only as much datastore space as the disk needs for its initial operations.</span></span></span></div>
	**<div><span style="font-size:small"><span style="font-family:arial,helvetica,sans-serif"><span style="color: rgb(37, 37, 37); line-height: 22.399999618530273px">'''thick provisioning''' - </span><span style="color: rgb(51, 51, 51); line-height: 18px">creates a virtual disk in a thick format. Space required for the virtual disk is allocated when the virtual disk is created. Data remaining on the physical device is not erased during creation.</span></span></span></div>		**<div><span style="font-size:small"><span style="font-family:arial,helvetica,sans-serif"><span style="color: rgb(37, 37, 37); line-height: 22.399999618530273px">'''thick provisioning''' - </span><span style="color: rgb(51, 51, 51); line-height: 18px">creates a virtual disk in a thick format. Space required for the virtual disk is allocated when the virtual disk is created. Data remaining on the physical device is not erased during creation.</span></span></span></div>

Ma-W at 13:28, 27 March 2019

2019-03-27T13:28:51Z

Show changes

migrate>Mi-S at 13:19, 15 June 2018

2018-06-15T13:19:41Z

← Older revision		Revision as of 13:19, 15 June 2018
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	**<span style="font-size:small"><span style="font-family:arial,helvetica,sans-serif"><span style="line-height: 18px">'''ZLE''' is a very fast compression method, with very light compression ratios.</span></span></span>		**<span style="font-size:small"><span style="font-family:arial,helvetica,sans-serif"><span style="line-height: 18px">'''ZLE''' is a very fast compression method, with very light compression ratios.</span></span></span>
	**<span style="font-size:small"><span style="font-family:arial,helvetica,sans-serif"><span style="line-height: 18px">'''lz4''' - is intended as a faster and smarter replacement for lzjb</span></span></span>		**<span style="font-size:small"><span style="font-family:arial,helvetica,sans-serif"><span style="line-height: 18px">'''lz4''' - is intended as a faster and smarter replacement for lzjb</span></span></span>
	*<span style="font-size:small"><span style="line-height: 18px"></span>'''VOLUME BLOCK SIZE  - '''s<span style="color: rgb(0, 0, 0)">pecifies the block size of the volume. The blocksize </span><span style="color: rgb(0, 0, 0)">cannot be changed once the volume has been written, so it should be set at volume creation time. </span></span>''''''<span style="font-size: small">the default value is </span>'''128'''<span style="font-size: small"> </span>'''KiB. '''~~<span style="font-size: small">The value can be changed.~~ You can choose between : 8; 16; 32; 64; 128 [KiB].~~</span>~~		*<span style="font-size:small"><span style="line-height: 18px"></span>'''VOLUME BLOCK SIZE  - '''s<span style="color: rgb(0, 0, 0)">pecifies the block size of the volume. The blocksize </span><span style="color: rgb(0, 0, 0)">cannot be changed once the volume has been written, so it should be set at volume creation time. </span></span>''''''<span style="font-size: small">the default value is </span>'''128'''<span style="font-size: small"> </span>'''KiB. '''You can choose between : 4; 8; 16; 32; 64; 128, 256; 512 [KiB] and 1 [MB].
	*'''SYNC ''' - you can choose between three options :		*'''SYNC ''' - you can choose between three options :
	**'''always (default)'''		**'''always (default)'''

Ma-W: 1 revision

2018-02-07T14:55:52Z

1 revision

← Older revision	Revision as of 14:55, 7 February 2018
(No difference)

migrate>Mi-S at 13:08, 26 January 2018

2018-01-26T13:08:09Z

← Older revision		Revision as of 13:08, 26 January 2018
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	**<span style="font-size:small"><span style="font-family:arial,helvetica,sans-serif">'''sha 256, verify - '''<span style="color: rgb(51, 51, 51); line-height: 19.200000762939453px; text-align: justify">enables an ability to detect and correct hash collisions, however this is very system intensive and is not recommended for casual use</span></span></span>		**<span style="font-size:small"><span style="font-family:arial,helvetica,sans-serif">'''sha 256, verify - '''<span style="color: rgb(51, 51, 51); line-height: 19.200000762939453px; text-align: justify">enables an ability to detect and correct hash collisions, however this is very system intensive and is not recommended for casual use</span></span></span>

	*<span style="font-size:small"><span style="font-family:arial,helvetica,sans-serif">'''COMPRESSION - '''there are several data compression methods - ~~You~~ will see all available methods from the drop-down list. The default compression method is '''LZ4'''''.''You can also choose no compression ''('''''NONE''').</span></span>		*<span style="font-size:small"><span style="font-family:arial,helvetica,sans-serif">'''COMPRESSION - '''there are several data compression methods - you will see all available methods from the drop-down list. The default compression method is '''LZ4'''''.''You can also choose no compression ''('''''NONE''').</span></span>
	**<span style="font-size:small"><span style="font-family:arial,helvetica,sans-serif"><span style="line-height: 18px">'''GZIP''', the standards levels of 1 through 9 are supported, where 1 is as fast as possible, with the least compression, and 9 is as compressed as possible, taking as much time as necessary.</span></span></span>		**<span style="font-size:small"><span style="font-family:arial,helvetica,sans-serif"><span style="line-height: 18px">'''GZIP''', the standards levels of 1 through 9 are supported, where 1 is as fast as possible, with the least compression, and 9 is as compressed as possible, taking as much time as necessary.</span></span></span>
	**<span style="font-size:small"><span style="font-family:arial,helvetica,sans-serif"><span style="line-height: 18px">'''LZJB''' -  is a fast method with tight compression ratios, which is standard with most Lempel-Ziv algorithms. LZJB seems to provide the best all around results in terms of performance and compression.</span></span></span>		**<span style="font-size:small"><span style="font-family:arial,helvetica,sans-serif"><span style="line-height: 18px">'''LZJB''' -  is a fast method with tight compression ratios, which is standard with most Lempel-Ziv algorithms. LZJB seems to provide the best all around results in terms of performance and compression.</span></span></span>
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	*'''COPIES '''<span style="font-size: small; font-family: arial, helvetica, sans-serif">- </span><span style="font-size: small; font-family: arial, helvetica, sans-serif; color: rgb(0, 0, 0)">Controls the number of copies of data stored for this dataset.</span><span style="font-size: small; font-family: arial, helvetica, sans-serif; color: rgb(0, 0, 0)"> These copies are in addition to any redundancy provided by the</span><span style="font-size: small; font-family: arial, helvetica, sans-serif; color: rgb(0, 0, 0)"> pool, for example, mirroring or raid-z. The copies are stored on</span><span style="font-size: small; font-family: arial, helvetica, sans-serif; color: rgb(0, 0, 0)"> different disks, if possible. The space used by multiple copies is</span><span style="font-size: small; font-family: arial, helvetica, sans-serif; color: rgb(0, 0, 0)"> charged to the associated file and dataset, changing the "used" </span><span style="font-size: small; font-family: arial, helvetica, sans-serif; color: rgb(0, 0, 0)">property and counting against quotas and reservations.</span><span style="font-size: small; font-family: arial, helvetica, sans-serif; color: rgb(0, 0, 0)">Changing this property only affects newly-written data.</span>		*'''COPIES '''<span style="font-size: small; font-family: arial, helvetica, sans-serif">- </span><span style="font-size: small; font-family: arial, helvetica, sans-serif; color: rgb(0, 0, 0)">Controls the number of copies of data stored for this dataset.</span><span style="font-size: small; font-family: arial, helvetica, sans-serif; color: rgb(0, 0, 0)"> These copies are in addition to any redundancy provided by the</span><span style="font-size: small; font-family: arial, helvetica, sans-serif; color: rgb(0, 0, 0)"> pool, for example, mirroring or raid-z. The copies are stored on</span><span style="font-size: small; font-family: arial, helvetica, sans-serif; color: rgb(0, 0, 0)"> different disks, if possible. The space used by multiple copies is</span><span style="font-size: small; font-family: arial, helvetica, sans-serif; color: rgb(0, 0, 0)"> charged to the associated file and dataset, changing the "used" </span><span style="font-size: small; font-family: arial, helvetica, sans-serif; color: rgb(0, 0, 0)">property and counting against quotas and reservations.</span><span style="font-size: small; font-family: arial, helvetica, sans-serif; color: rgb(0, 0, 0)">Changing this property only affects newly-written data.</span>

	<span style="font-size: small; font-family: arial, helvetica, sans-serif; color: rgb(0, 0, 0)"></span><span style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: small">You can attach this newly created zvol to a target. To do that, ~~You~~ have to :</span>		<span style="font-size: small; font-family: arial, helvetica, sans-serif; color: rgb(0, 0, 0)"></span><span style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: small">You can attach this newly created zvol to a target. To do that, you have to :</span>

	*<span style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: small">choose one of the existing '''Target '''</span><span style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: small">name</span>		*<span style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: small">choose one of the existing '''Target '''</span><span style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: small">name</span>
	*<span style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: small">define the '''SCSI ID '''</span><span style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: small">for the target, ~~You~~ can generate a random SCSI ID number. </span><span style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: small"> </span>		*<span style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: small">define the '''SCSI ID '''</span><span style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: small">for the target, you can generate a random SCSI ID number. </span><span style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: small"> </span>
	*<span style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: small">define the '''LUN '''</span><span style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: small">for the target</span>		*<span style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: small">define the '''LUN '''</span><span style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: small">for the target</span>
	*<span style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: small">'''Access mode '''for the target - the default is '''Read-Write, '''~~You~~ can choose the '''Read-Only '''option.</span>		*<span style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: small">'''Access mode '''for the target - the default is '''Read-Write, '''you can choose the '''Read-Only '''option.</span>

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