From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hans Reiser Subject: Re: Reiser4 needs more testers Date: Tue, 30 Mar 2004 16:56:32 -0800 Message-ID: <406A1740.7020501@namesys.com> References: <16484.24086.167505.94478@laputa.namesys.com> <406462C1.5020507@namesys.com> <1080686376.2023.4.camel@spc0.esa.lanl.gov> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: list-help: list-unsubscribe: list-post: Errors-To: flx@namesys.com In-Reply-To: <1080686376.2023.4.camel@spc0.esa.lanl.gov> List-Id: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: Steven Cole Cc: Nikita Danilov , Reiserfs developers mail-list , Reiserfs mail-list Yes, it is a readdir related NFS bug. I should have added that it is serious enough to make NFS over reiser4 a bad idea. Hans Steven Cole wrote: >On Fri, 2004-03-26 at 10:05, Hans Reiser wrote: > > >>We have one NFS related bug remaining, [snipped] >> >> > >Is this the NFS bug you have in mind, or a different one? > >I get "Input/output error" when I try to ls the contents of >a directory on an nfs exported reiser4 system from the client system. > >spc2 is the nfs server, running kernel 2.6.5-rc2 with latest reiser4 patch. >spc0 is the nfs client, running kernel 2.6.5-rc3-mm1 with nfs-utils 1.0.6. > >[steven@spc2 r4_testing]$ df -T >Filesystem Type 1K-blocks Used Available Use% Mounted on >/dev/sda1 ext3 798476 156840 601076 21% / >/dev/sda8 ext3 7147260 5570304 1213892 83% /home >none tmpfs 257456 0 257456 0% /dev/shm >/dev/sda6 ext3 4024188 1874192 1945572 50% /usr >/dev/sda7 ext3 806368 130220 635184 18% /var >/dev/sda9 reiser4 3930680 241556 3689124 7% /r4_testing > >[steven@spc2 steven]$ cat /etc/exports >/home/steven/kernels 128.165.67.190(rw) >/r4_testing 128.165.67.190(rw) > >[steven@spc2 r4_testing]$ pwd >/r4_testing >[steven@spc2 r4_testing]$ ls >linux-2.6.5-rc2-r4 > >I lightly tested the reiser4 filesystem by copying the kernel >tree from the /home ext3 system and running one compile. > >On the client system, I mounted a few nfs systems: > >[steven@spc0 steven]$ df -T >Filesystem Type Size Used Avail Use% Mounted on >/dev/hda7 ext3 471M 111M 337M 25% / >/dev/hda11 ext3 26G 15G 11G 59% /home >/dev/hda1 vfat 2.0G 1.9G 135M 94% /mnt/windows >/dev/hda9 ext3 3.9G 1.8G 2.0G 47% /usr >/dev/hda10 ext3 580M 118M 432M 22% /var >/dev/hda5 vfat 1.9G 920M 963M 49% /win_d >/dev/hda6 vfat 1.8G 1.3G 511M 72% /win_e >spc5:/share/from_spc0 > nfs 34G 25G 8.7G 74% /spc5_backup >spc2:/r4_testing > nfs 3.8G 236M 3.6G 7% /home/steven/r4_testing >spc2:/home/steven/kernels > nfs 6.9G 5.4G 1.2G 83% /home/steven/spc2_kernels >[steven@spc0 steven]$ uname -r >2.6.5-rc3-mm1 > >The ext3 system works just fine: > >[steven@spc0 steven]$ ls /home/steven/spc2_kernels >2.6.0-test8-mm1 fs/ linux-2.6.2-r4/ linux-2.6.5-rc2-r4/ r4/ >2.6.0-test9-mm1 getit linux-2.6.2-rc2-mm1/ patch-2.6.2-rc2 r4.tar.gz >2.6.2-rc2-mm1 kexec-260test8-mm1.patch linux-2.6.2.tar.bz2 patch-2.6.5-rc2 reiser4/ >2.6.4-mm1 kexec-260test9-mm1-update.patch linux-2.6.4-mm1/ patch-fixk reiser4.tar.gz >4g4g_kexec.patch kexec-260test9.patch linux-2.6.4.tar.bz2 patch-nikita thediff >all.diff linux-2.6.1.tar.bz2 linux-2.6.4-vanilla/ patch-nikita2 > >But the reiser4 system does not: > >[steven@spc0 steven]$ ls /home/steven/r4_testing >ls: /home/steven/r4_testing/linux-2.6.5-rc2-r4: Input/output error > > >Steven > > > > > > -- Hans