[zfs-discuss] Re: reproducible zfs panic on Solaris 10 06/06

2006-11-04 Thread Akhilesh Mritunjai
zpool status # uncomment the following lines if you want to see the system think # it can still read and write to the filesystem after the backing store has gone. Hi UNIX unlink() syscall doesn't remove the inode if its in use. Its marked to be unliked when its use count falls to zero. So

Re: [zfs-discuss] Filebench, X4200 and Sun Storagetek 6140

2006-11-04 Thread Louwtjie Burger
6140: 2 x 2GB cache controllers - 4Gbit FC, 16 x 4Gbit 146GB FC 15K spindlesUnfortunately I don't have a 4Gbit HBA or multiple 2Gbit cards, since the above 6140 must be one of the fastest building blocks available. I would have loved to see (using multiple HBA's) how much IO's one could get from

[zfs-discuss] File Space Allocation

2006-11-04 Thread Bret Walker
Where can I find information on the file allocation methodology used by ZFS? Does it use Indexed Allocation? What strategy does it use to manage the free space on disk? Bit vector, linked list or something new? Thanks! Bret This message posted from opensolaris.org

Re: [zfs-discuss] raid-z random read performance

2006-11-04 Thread Robert Milkowski
Hello Robert, Thursday, November 2, 2006, 5:12:37 PM, you wrote: RM Hello zfs-discuss, RM Server: x4500, 2x Opetron 285 (dual-core), 16GB RAM, 48x500GB RM filebench/randomread script, filesize=256GB RM 2 disks for system, 2 disks as hot-spares, atime set to off for a RM pool, cache_bshift

Re: [zfs-discuss] File Space Allocation

2006-11-04 Thread Jeff Bonwick
Where can I find information on the file allocation methodology used by ZFS? You've inspired me to blog again: http://blogs.sun.com/bonwick/entry/zfs_block_allocation I'll describe the way we manage free space in the next post. Jeff ___