search for: the_dynamics_of_zf

Hi zfs-discuss, I have some questions about throttling on ZFS 1) I know that throttling is activating while one sync is waiting for another. (http://blogs.sun.com/roller/page/roch?entry=the_dynamics_of_zfs) Is it possible to throttle only selected processes (e.g. nfsd) ? 2) How can I obtain some statistics about it? I want to know how often throttling is activating on my host etc. 3) Is it possible to change 5-seconds interval of sync activation? (some mdb''s magic tricks? :) ) 4) How can...

I''m working with a Cyrus IMAP server running on a T2000 box under Solaris 10 10/09 with current patches. Mailboxes reside on six ZFS filesystems, each containing about 200 gigabytes of data. These are part of a single zpool built on four Iscsi devices from our Netapp filer. One of these ZFS filesystems contains a number of global and per-user databases in addition to one sixth of the

Hi All, I''ve just built an 8 disk zfs storage box, and I''m in the testing phase before I put it into production. I''ve run into some unusual results, and I was hoping the community could offer some suggestions. I''ve bascially made the switch to Solaris on the promises of ZFS alone (yes I''m that excited about it!), so naturally I''m looking

...fetch_disable being integrated: http://dlc.sun.com/osol/on/downloads/current/on-changelog-20061103.html zfs_prefetch_disable itself http://src.opensolaris.org/source/search?q=zfs_prefetch_disable&defs=&refs=&path=&hist= Soft Track Buffer / Prefetch: http://blogs.sun.com/roch/entry/the_dynamics_of_zfs As far as I''ve been able to tell using mdb, this is already lowered in b48? http://blogs.sun.com/roch/entry/tuning_the_knobs Suggestions, ideas etc? /Tomas -- Tomas ?gren, stric at acc.umu.se, http://www.acc.umu.se/~stric/ |- Student at Computing Science, University of Ume? `- Sysad...