Date: Fri, 01 Aug 2008 08:55:04 +0930 From: Benjamin Close <Benjamin.Close@clearchain.com> To: kevin <kevinxlinuz@163.com> Cc: freebsd-fs@freebsd.org, freebsd-current@freebsd.org, Claus Guttesen <kometen@gmail.com> Subject: Re: ZFS patches. Message-ID: <489249D0.2000203@clearchain.com> In-Reply-To: <4891E27B.4010205@163.com> References: <20080727125413.GG1345@garage.freebsd.pl> <b41c75520807310808jbc5c4f1v968255c4695a245d@mail.gmail.com> <4891E27B.4010205@163.com>
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kevin wrote: > Claus Guttesen wrote: >> On Sun, Jul 27, 2008 at 2:54 PM, Pawel Jakub Dawidek >> <pjd@freebsd.org> wrote: >> >>> Hi. >>> >>> http://people.freebsd.org/~pjd/patches/zfs_20080727.patch.bz2 >>> >>> The patch above contains the most recent ZFS version that could be >>> found >>> in OpenSolaris as of today. Apart for large amount of new >>> functionality, >>> I belive there are many stability (and also performance) improvements >>> compared to the version from the base system. >>> >>> Check out OpenSolaris website to find out the differences between base >>> system version and patch version. >>> >>> Please test, test, test. If I get enough positive feedback, I may be >>> able to squeeze it into 7.1-RELEASE, but this might be hard. >>> >>> If you have any questions, please use mailing lists >>> (freebsd-fs@FreeBSD.org would be the best). >>> >> >> I applied your patch to a current as of July the 31'st. I had to >> remove /usr/src and perform a clean csup and remove the two empty >> files as mentioned in this thread. >> >> I have a areca arc-1680 sas-card and an external sas-cabinet with 16 >> sas-drives each 1 TB (931 binary GB). They have been setup in three >> raidz-partitions with five disks each in one zpool and one spare. >> >> There does seem to be a speed-improvement. I nfs-mounted a partition >> from solaris 9 on sparc and is copying approx.400 GB using rsync. I >> saw write of 429 MB/s. The spikes occured every 10 secs. to begin >> with. After some minutes I get writes almost every sec. (watching >> zpool iostat 1). The limit is clearly the network-connection between >> the two hosts. I'll do some internal copying later. >> >> It's to early to say whether zfs is stable (enough) allthough I >> haven't been able to make it halt unless I removed a disk. This was >> with version 6. I'll remove a disk tomorrow and see how it goes. >> >> > Hi, > I think the new patch still have some problem.I run zfs on my > laptop,and it panic on zfs umount. > The problem ( http://www.freebsd.org/cgi/query-pr.cgi?pr=124200 ) > relate to zfs? It alway panic in spa_zio_intr_1 and txg_thread_enter. > Benjsc is working on it.If any one interest in problem 124200, you can > visit http://www.clearchain.com/~benjsc/downloads/FreeBSD/ . This issue is not zfs related, zfs however being such a big user of threads and condvars, triggers it more often. Cheers, Benjamin
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