Resize LUNs and zfs-pool on sun cluster Post: 302285758

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Operating Systems Solaris Resize LUNs and zfs-pool on sun cluster Post 302285758 by houston on Monday 9th of February 2009 03:27:29 PM

02-09-2009

Registered User

# mkfile 1g file1
# mkfile 1g file2
# zpool create zphouston mirror /tmp/file1 /tmp/file2
# df -h /zphouston
Filesystem size used avail capacity Mounted on
zphouston 984M 24K 984M 1% /zphouston
# mkfile 20m /zphouston/20megfile
# sum /zphouston/20megfile |tee /zphouston/sum
0 40960 /zphouston/20megfile
# zpool offline zphouston /tmp/file2
Bringing device /tmp/file2 offline
# zpool status zphouston
pool: zphouston
state: DEGRADED
status: One or more devices has been taken offline by the administrator.
Sufficient replicas exist for the pool to continue functioning in a
degraded state.
action: Online the device using 'zpool online' or replace the device with
'zpool replace'.
scrub: none requested
config:

NAME STATE READ WRITE CKSUM
zphouston DEGRADED 0 0 0
mirror DEGRADED 0 0 0
/tmp/file1 ONLINE 0 0 0
/tmp/file2 OFFLINE 0 0 0

errors: No known data errors
# rm file2
# mkfile 2g file2
# zpool replace zphouston /tmp/file2 /tmp/file2
# zpool status
pool: zphouston
state: DEGRADED
scrub: resilver completed with 0 errors on Mon Feb 9 14:01:22 2009
config:

NAME STATE READ WRITE CKSUM
zphouston DEGRADED 0 0 0
mirror DEGRADED 0 0 0
/tmp/file1 ONLINE 0 0 0
replacing DEGRADED 0 0 0
/tmp/file2/old UNAVAIL 0 0 0 cannot open
/tmp/file2 ONLINE 0 0 0

errors: No known data errors
# (after couple of minutes)
# zpool status zphouston
pool: zphouston
state: ONLINE
scrub: resilver completed with 0 errors on Mon Feb 9 14:01:22 2009
config:

NAME STATE READ WRITE CKSUM
zphouston ONLINE 0 0 0
mirror ONLINE 0 0 0
/tmp/file1 ONLINE 0 0 0
/tmp/file2 ONLINE 0 0 0

errors: No known data errors
# df -h /zphouston
Filesystem size used avail capacity Mounted on
zphouston 984M 20M 964M 3% /zphouston
# zpool detach zphouston /tmp/file1
# df -h /zphouston
Filesystem size used avail capacity Mounted on
zphouston 2.0G 20M 1.9G 1% /zphouston
# zpool status zphouston
pool: zphouston
state: ONLINE
scrub: resilver completed with 0 errors on Mon Feb 9 14:01:22 2009
config:

NAME STATE READ WRITE CKSUM
zphouston ONLINE 0 0 0
/tmp/file2 ONLINE 0 0 0

errors: No known data errors
# df -h /zphouston
Filesystem size used avail capacity Mounted on
zphouston 2.0G 20M 1.9G 1% /zphouston
# rm file1
# mkfile 2g file1
# zpool attach zphouston /tmp/file2 /tmp/file1
# zpool status zphouston
pool: zphouston
state: ONLINE
scrub: resilver completed with 0 errors on Mon Feb 9 14:12:38 2009
config:

NAME STATE READ WRITE CKSUM
zphouston ONLINE 0 0 0
mirror ONLINE 0 0 0
/tmp/file2 ONLINE 0 0 0
/tmp/file1 ONLINE 0 0 0

errors: No known data errors
# df -h /zphouston
Filesystem size used avail capacity Mounted on
zphouston 2.0G 20M 1.9G 1% /zphouston
# sum /zphouston/20megfile
0 40960 /zphouston/20megfile
# cat /zphouston/sum
0 40960 /zphouston/20megfile
#

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zdiff

ZDIFF(1)						    BSD General Commands Manual 						  ZDIFF(1)

NAME

     zcmp, zdiff -- compare compressed files

SYNOPSIS

     zcmp [options] file [file2]
     zdiff [options] file [file2]

DESCRIPTION

     zcmp and zdiff are filters that invoke cmp(1) or diff(1) respectively to compare compressed files.  Any options that are specified are passed
     to cmp(1) or diff(1).

     If only file1 is specified, it is compared against a file with the same name, but with the extension removed.  When both file1 or file2 are
     specified, either file may be compressed.

     Extensions handled by gzip(1):
     o	 z, Z,
     o	 gz,
     o	 taz,
     o	 tgz.

     Extensions handled by bzip2(1):
     o	 bz,
     o	 bz2,
     o	 tbz,
     o	 tbz2.

     Extensions handled by xz(1):
     o	 lzma,
     o	 xz,
     o	 tlz,
     o	 txz.

ENVIRONMENT

     TMPDIR  Directory in which to place temporary files.  If unset, /tmp is used.

FILES

     /tmp/zcmp.XXXXXXXXXX   Temporary file for zcmp.
     /tmp/zdiff.XXXXXXXXXX  Temporary file for zdiff.

SEE ALSO

     bzip2(1), cmp(1), diff(1), gzip(1), xz(1)

CAVEATS

     zcmp and zdiff rely solely on the file extension to determine what is, or is not, a compressed file.  Consequently, the following are not
     supported as arguments:

     -	 directories

     -	 device special files

     -	 filenames indicating the standard input (``-'')

BSD
								   May 23, 2011 							       BSD

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