Date: Sun, 09 May 2010 01:34:21 +0800 (CST) From: "Cheng-Lin Yang" <yuwen@exodus.cs.ccu.edu.tw> To: "rmacklem" <rmacklem@uoguelph.ca> Cc: freebsd-fs <freebsd-fs@freebsd.org>, lab <lab@cs.ccu.edu.tw> Subject: Re: Struggling on NFS problem Message-ID: <1273340061.16836.yuwen@exodus.cs.ccu.edu.tw> In-Reply-To: <Pine.GSO.4.63.1005051108160.15889@muncher.cs.uoguelph.ca> References: <1272960060.34062.yuwen@exodus.cs.ccu.edu.tw> <4BDFE843.7050600@fuujingroup.com> <1273022040.28218.yuwen@exodus.cs.ccu.edu.tw> <20100505013136.GA48843@icarus.home.lan> <1273026479.56161.yuwen@exodus.cs.ccu.edu.tw> <Pine.GSO.4.63.1005051108160.15889@muncher.cs.uoguelph.ca>
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Hi=20Rick=20and=20all, I've=20upgrade=20the=20NFS=20server=20up=20to=20RELENG_8_0=20with=20Rick's=20= patches.=20I=20still=20see=20the=20negative=20"BioW=20Hits"=20on=20my=20Free= BSD=20NFS=20clients=20but=20the=20system=20is=20not=20hanged=20as=20before.=20= So=20I=20would=20say=20somehow=20the=20upgrade=20is=20"partially=20successfu= l"=20to=20solve=20the=20issue. Howerver,=20new=20issue=20bumps=20up=20after=20the=20upgrade,=20My=20mail=20= server=20which=20runs=20Dovecot=20also=20mounted=20on=20NFS=20server,=20show= s=20the=20following=20error=20message=20after=20the=20upgrade =3D=3D=3D=3D May=20=208=2021:46:24=20mail=20dovecot:=20IMAP(USERID):=20fcntl(write-lock)=20= locking=20failed=20for=20file=20cshome/professor/USERID/Maildir/.OLD2/doveco= t.index.log:=20Operation=20not=20supported May=20=208=2021:46:24=20mail=20dovecot:=20IMAP(USERID):=20mail_index_wait_lo= ck_fd()=20failed=20with=20file=20=20cshome/professor/USERID/Maildir/.OLD2/do= vecot.index.log:=20Operation=20not=20supported May=20=208=2021:46:24=20mail=20dovecot:=20IMAP(USERID):=20fcntl(write-lock)=20= locking=20failed=20for=20file=20=20cshome/professor/USERID/Maildir/.OLD2/dov= ecot.index.log:=20Operation=20not=20supported May=20=208=2021:46:24=20mail=20dovecot:=20IMAP(USERID):=20mail_index_wait_lo= ck_fd()=20failed=20with=20file=20/cshome/professor/USERID/Maildir/.OLD2/dove= cot.index.log:=20Operation=20not=20supported =3D=3D=3D=3D Could=20you=20please=20kindly=20take=20a=20look=20on=20this=20new=20issue?=20= Thank=20you.=20:) Regards, Cheng-Lin=20Yang -----Original=20message----- From:Rick=20Macklem=20<rmacklem@uoguelph.ca> To:Cheng-Lin=20Yang=20<yuwen@exodus.cs.ccu.edu.tw> Cc:freebsd=20<freebsd@jdc.parodius.com>,freebsd-fs=20<freebsd-fs@freebsd.org= >,lab=20<lab@cs.ccu.edu.tw> Date:Wed,=205=20May=202010=2011:11:00=20-0400=20(EDT) Subject:Re:=20Struggling=20on=20NFS=20problem On=20Wed,=205=20May=202010,=20Cheng-Lin=20Yang=20wrote: >=20Hi=20Jeremy, >=20I=20certainly=20will,=20it=20seems=20to=20upgrading=20to=20RELENG_8=20wi= ll=20be=20a=20highly=20possible=20solution=20for=20the=20issue.=20Therefore,= =20I=20already=20scheduled=20a=20upgrade=20window=20on=20this=20Friday=20nig= ht=20and=20will=20keep=20updating=20you=20guys=20the=20result=20once=20the=20= upgrade=20is=20done. > >=20I=20would=20also=20like=20to=20know=20that=20is=20it=20ok=20to=20update=20= the=20source=20up=20to=20RELENG_8=20by=20applying=20all=20NFS=20patches=20at= =20the=20same=20time?=20Since=20it's=20a=20production=20machine,=20I=20have=20= to=20make=20sure=20these=20two=20steps=20can=20be=20perform=20at=20the=20sam= e=20time=20without=20any=20concern. > The=20patches=20at=20people.freebsd.org/~rmacklem=20are=20already=20in=20sta= ble/8,=20so you=20shouldn't=20need=20to=20apply=20them. >=20Finally,=20just=20curious=20that=20why=20the=20problem=20only=20shows=20= up=20on=20FreeBSD=20clients? > If=20it=20is=20the=20case=20where=20the=20server=20doesn't=20return=20ESTALE= =20when=20a=20file has=20been=20deleted=20on=20the=20server,=20the=20FreeBSD=20client=20will=20= loop=20retrying the=20RPC=20for=20EIO,=20but=20other=20clients=20might=20not.=20That=20is=20= the=20only=20case where=20I=20can=20suggest=20there=20is=20a=20difference,=20other=20than=20th= e=20type=20of traffic=20and=20load=20different=20clients=20will=20generate. rick
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