Date: Fri, 7 Oct 2011 11:52:33 +0400 From: Sergey Gavrilov <srg.gavrilov@gmail.com> To: Xin LI <delphij@gmail.com> Cc: freebsd-fs@freebsd.org Subject: Re: ZFS v28: mount dataset hangs Message-ID: <CAAy32d2HoSop6iaFvdHJ0_Kd7mthfh9GMCXi9eVLUGuYZR2XQQ@mail.gmail.com> In-Reply-To: <CAGMYy3sQ1o8zFoF2ASTtEQ5GJu2S8hqs%2Bvp8QMRMf2UCCKdPuw@mail.gmail.com> References: <CAAy32d3fTVmHOO9DBhDiFBYdq5EEjS9223dXfjdH2UTBWSxcag@mail.gmail.com> <CAGMYy3tq5yVogSU1-g8tnVwOJfSUKW0QpsfYiXE71N1ud-_cYw@mail.gmail.com> <CAAy32d3O%2Bm5yNTw7QSEg=-q7A754OqSX=B7GWydvz8ThiW8MqA@mail.gmail.com> <CAAy32d1RFPLO3_Ws%2Bz0OgOFS39L%2BRsocFqoFtu5qOWKnDTtC4w@mail.gmail.com> <CAGMYy3sQ1o8zFoF2ASTtEQ5GJu2S8hqs%2Bvp8QMRMf2UCCKdPuw@mail.gmail.com>
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There are too many running processes right now. Will it be enough procstat for hanged process only? sudo zfs set mountpoint=/pool2/samba/NMO pool2/samba/NMO ps ax | grep zfs 29 ?? DL 88:26,87 [zfskern] 1273 ?? Is 0:00,00 /usr/sbin/mountd -r /etc/exports /etc/zfs/exports 11672 1 I+ 0:00,01 sudo zfs set mountpoint=/pool2/samba/NMO pool2/samba/NMO 11673 1 D+ 0:00,03 zfs set mountpoint=/pool2/samba/NMO pool2/samba/NMO 11817 2 S+ 0:00,00 grep zfs sudo procstat -kk 11673 PID TID COMM TDNAME KSTACK 11673 101295 zfs initial thread mi_switch+0x176 sleepq_wait+0x42 _cv_wait+0x129 txg_wait_synced+0x85 zil_replay_log_record+0xe1 zil_parse+0x3d8 zil_replay+0xe5 zfsvfs_setup+0x117 zfs_mount+0x52f vfs_donmount+0xdc5 nmount+0x63 amd64_syscall+0x1f4 Xfast_syscall+0xfc And else. I'd sent dataset to another pool and it had mounted and works well. 2011/10/7 Xin LI <delphij@gmail.com> > On Fri, Oct 7, 2011 at 12:37 AM, Sergey Gavrilov <srg.gavrilov@gmail.com> > wrote: > > pool: pool2 > > state: ONLINE > > scan: scrub repaired 0 in 7h29m with 0 errors on Thu Oct 6 02:15:50 > 2011 > > config: > > > > NAME STATE READ WRITE CKSUM > > pool2 ONLINE 0 0 0 > > raidz2-0 ONLINE 0 0 0 > > da9 ONLINE 0 0 0 > > da10 ONLINE 0 0 0 > > da11 ONLINE 0 0 0 > > da12 ONLINE 0 0 0 > > da13 ONLINE 0 0 0 > > da14 ONLINE 0 0 0 > > da15 ONLINE 0 0 0 > > da16 ONLINE 0 0 0 > > > > errors: No known data errors > > Okay... can you also do 'procstat -kk -a' with root when zfs process > hangs with [tx->tx_sync_done_cv)]? > > Cheers, > -- > Xin LI <delphij@delphij.net> https://www.delphij.net/ > FreeBSD - The Power to Serve! Live free or die > -- Best regards, Sergey Gavrilov
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