From: B Bong (sunmoon208@yahoo.com)
Date: Thu Jul 03 2003 - 11:50:03 EDT
Dear Sun Managers,
I need someone to enlighten me on this to verify
whether my steps are correct.
I have a configuration for /data partition (output of
df -k)
1. /dev/md/dsk/d11 2052605 375081 1616916
21% /data
2. d11: Mirror ( output of metastat -t d11)
Submirror 0: d9
State: Okay Fri Feb 21 17:55:55 2003
Submirror 1: d10
State: Okay Fri Feb 21 18:16:31 2003
Pass: 1
Read option: roundrobin (default)
Write option: parallel (default)
Size: 4194828 blocks
d9: Submirror of d11
State: Okay Fri Feb 21 17:55:55
2003
Size: 4194828 blocks
Stripe 0:
Device Start Dbase State
Hot Spare Time
c0t0d0s4 0 No Okay
d10: Submirror of d11
State: Okay Fri Feb 21 18:16:31
2003
Size: 4194828 blocks
Stripe 0:
Device Start Dbase State
Hot Spare Time
c0t1d0s4 0 No Okay
Fri Feb 21 17:55:46 2003
Procedure to increase size of /data
1.Backup /data
2.Unmount /data
umount /data
3.Break Mirrors
metadetach d11 d9
metadetach d11 d10
4.Clear Metadevices
metaclear d9
metaclear d10
5.Recreate partition previously containing /data data
6.Recreate Metadevices
metainit d9 1 1 /dev/dsk/c0t0d0s4
metainit d10 1 1 /dev/dsk/c0t1d0s4
7.Recreate Mirror
metainit -m d11 d9
metattach d11 d10
8.Remount /data ( definition is there in /etc/vfstab)
9.Restore data back to /data from tape.
Thanks in advance.
Regards,
Andrew
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