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- Newsgroups: comp.sys.sgi
- Path: sparky!uunet!dsea!lacey
- From: lacey@dsea.com (Dan Lacey )
- Subject: logical volumes
- Message-ID: <1993Jan12.185353.11673@dsea.com>
- Keywords: lv logical volume
- Organization: Dainippon Screen Engineering of America, Inc.
- Distribution: ca
- Date: Tue, 12 Jan 1993 18:53:53 GMT
- Lines: 47
-
- I am trying to use the logical volume feature on an R4K Indigo.
- ( And what a great idea it is!! )
- I have two questions:
- 1) What is the largest possible logical volume and how many partitions
- can this consist of.
- 2) Am i doing the right thing ( as explained below). I seem to have
- gotten the right result, but I am paranoid about having missed
- something. Also, besides the on-line UNIX manuals, where can I find
- documentation about this feature?
-
- I have a 1.2Gb disk disk on the R4k Indigo that was partitioned as a rootdrive.
- I install 4.0.5F (default parts) on the rootdrive.
- I partitioned the second disk as an option drive and run mkfs. (SCSI ID 3)
- I want to have the /usr partition be a logical volume.
-
- I edit lvtab with the entry:
- lv0:usr:devs=/dev/dsk/dks0d1s6, /dev/dsk/dks0d3s7
-
- I edit the /usr entry in fstab:
- /dev/dsk/lv0 /usr efs rw,raw=/dev/rdsk/lv0 0 0
-
- Go to single user mode to unmount /usr.
-
- Make the volume. I need the -f because mklv is complaining that the second
- disk does not have a label ( <NO LABEL PRESENT> ).
- # mklv -f lv0
-
- Grow the filesystem:
- # growfs /dev/rdsk/lv0
-
- Bring the system up:
-
- # init 2
-
- THANX IN ADVANCE
-
- *****************************************************************************
- * THIS SPACE INTENTIONALLY * Dan Lacey ( lacey@dsea.com ) *
- * * Dainippon Screen Eng. of America *
- * LEFT BLANK * 3700 W. Segerstrom Ave. *
- * * Santa Ana, CA. 92714 *
- *****************************************************************************
- --
-
- Dan Lacey
- lacey@dsea.com
- Dainippon Screen Eng. of America
-