Tags: jfs

Raw vs JFS Logical Volumes I/O

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Question Does Virtual Memory Manager (VMM) work with raw logical updates, and if so, how? If raw logical volumes do not use block I/O buffer cache, does sync update raw logical volumes or does VMM? Answer When an application directly accesses a ra… more »

Journaled file systems structure

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              Superblock : File System size and indentification, Free list, fragment size, nbpi. Inodes: File size, ownership, permissions, pointers to data blocks. Blocks: Data blocks contain data and Indirect block contain pointers to data… more »

HP-UX: How to extend root - live!

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No outage required , if you have online jfs. If you do not have online jfs , do all the following in LVM maintenance mode.Note: this will only work if SWAP is NOT the next lvol after / a. Login as root.b. Find out a free disk / un mirror the rootvg a… more »