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Disk Upgrades, Revised!



Well after some good advice from this list and with the help of the
sys_check utility, I have come up with the following information regarding
the status of disk space we use. The filesystem is UFS, striped, and
mirrored. The filesystem /data2 is not mirrored and not as important.

Physical Disks in use:
6 RZ26L (1.05 GB)
8 RZ28M (2.1 GB)
9 RZ29B (4.3 GB)
-----
23 Total disk Drives used.....

Mounted File Systems dk -k
Filesystem  1024-blocks        Used   Available      Capacity     On     
/dev/re0a        127151       75701       38734        67%           /
/dev/re0g       1995995     1491258      305137     84%           /usr
/dev/re1c      12192746     8925643     2047828   82%           /data
/dev/re2c      11963034    10107591      659139   94%           /data2
/dev/re8c       1993663      912126      882170     51%          /spare
/dev/re9c       2983310     2130579      554400    80%
/data/nov/ADV.DB2

/	-->  xcr0 1_0, 2_0, (RZ29B)
/data2 --> xcr0 0_0, 0_1, 0_2, 0_3, 0_4, 0_5 (RZ28M)  A spare database for
testing, development. doesn't need   	      upgrading.
/data --> xcr0 1_1, 1_2, 1_3, 2_1, 2_2, 2_3 (RZ29B)
/spare --> xcr1 1_0, 2_0 (RZ28M)
/usr --> xcr0 1_0, 2_0 (RZ29B)


The most inportant filesystems that will need more diskspace is /data and
/data/nov/ADV.DB2.

A few questions, how can I tell what disks are mirrored to what disks. For
example:
The filesystem / --> xcr0 on disks 1_0, 2_0 ............ Is 2_0 mirrored to
1_0?????

I was thinking of replacing all the disks on xcr1 from 1.05 and 2.1 GB
drives to the 4.3 GB RZ29B......

Thanks