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Full Discussion: Cannot use filesystem while sending a snapshot
Operating Systems Solaris Cannot use filesystem while sending a snapshot Post 302549597 by RychnD on Tuesday 23rd of August 2011 10:54:15 AM
Old 08-23-2011
I used 400 GB of space on the shares filesystem, made an initial snapshot and sent it to the backup disk. Then I observed free space decreasing on the backup filesystem and thought myself "alright, that seems ok - the snapshot being send should probably take 400 GB of the backup filesystem's space after being sent completely".

But then I made a change to the svn repository (which resides on shares) and (even though the complete snapshot could not have been transfered completely at that time) after that, the "zfs list backup" command showed only a tiny space consumed on backup.

Moreover, when I tried to send another snapshot incrementaly (e.g. with the -i option), I got an error telling me that the opening snapshot did not match the most recent snapshot on the backup fs.

Though limited by my english language skills, I did my best to describe the situation. I hope this helps. Dusan
 

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LEARN ABOUT DEBIAN

ql-hba-snapshot

ql-hba-snapshot(8)					       System Administration						ql-hba-snapshot(8)

NAME

       ql-hba-snapshot - display specific information of the QLogic HBA.

SYNOPSIS

       ql-hba-snapshot <Host number> [OPTIONS]

DESCRIPTION

       FC HBA Snapshot Utility

       This  utility  displays	the  details  of  the QLogic HBA attached to the system. It uses one of the two file systems for scanning: proc or
       sysfs.

       <Host number> | <-a/--all> [optional]

	      Provide the <HOST NUMBER> to display the detailed information of the HBA.  With no option  specified,  general  information  of  all
	      hosts  will  be  displayed.   Ex.  # /usr/sbin/ql-hba-snapshot <Host Number> # /usr/sbin/ql-hba-snapshot --procfs <Host Number> (For
	      procfs)

       -h, --help

	      Prints the help message.	Ex.  # /usr/sbin/ql-hba-snapshot --help

       -hl, --hostlist

	      This option displays the list of QLogic hosts (HBAs) connected to this system.  The <HOST NUMBER> can be obtained by using following
	      command Ex.  # /usr/sbin/ql-hba-snapshot --hostlist

       -p, --parameters

	      This  option  displays  the  command  line parameters that can be passed to the QLogic HBA driver.  Ex.  # /usr/sbin/ql-hba-snapshot
	      --parameters <Host Number>

       -s, --statistics

	      This option displays the statistical information for specified host. Stastics option is only supported in "sysfs" based  scan.   Ex.
	      # /usr/sbin/ql-hba-snapshot --statistics <Host number/--all>

       -proc, --procfs

	      This options forces the the utility to scans information based on "procfs", instead of default sysfs.  Ex.  # /usr/sbin/ql-hba-snap-
	      shot --procfs [Other valid option]

       -v, --verbose

	      This enables verbose display. The detailed information of LUNs will be displayed in addition to standard one.  This option  is  only
	      supported in sysfs.  Ex.	# /usr/sbin/ql-hba-snapshot --verbose <Host number/-a>

SEE ALSO

       ql-dynamic-tgt-lun-disc(8), ql-lun-state-online(8), ql-set-cmd-timeout(8)

Matthias Schmitz <;matthias@sigxcpu.org> 			     July 2009							ql-hba-snapshot(8)
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