Date: Sat, 19 Jul 2003 23:22:16 +0200 (CEST) From: Lukas Ertl <l.ertl@univie.ac.at> To: "=?iso-8859-2?Q?Branko_F._Gra=E8nar?=" <bfg@noviforum.si> Cc: freebsd-current@freebsd.org Subject: Re: ufs2 snapshots in 5.1 still broken Message-ID: <20030719231738.O614@korben.in.tern> In-Reply-To: <013b01c34e37$0da300a0$fac8a8c0@MORDOR> References: <013b01c34e37$0da300a0$fac8a8c0@MORDOR>
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On Sat, 19 Jul 2003, [iso-8859-2] Branko F. Gra?nar wrote: > This only accours if there is alot (several 100 thousand) of small files > on a filesystem. > > During snapshot creation all userland I/O hangs until snapshot is made. > Machine doesn't respond even on ping!. After snapshot is created, > everything works okay. If you want to remove that snapshot file the same > scenario is repeated. Ideas, suggestions? I'm not use what you mean. The suspension of I/O during creation of a snapshot is the intended behaviour, but it doesn't take long. For example, /usr here has about 185000 files: # time mksnap_ffs /usr /usr/snapshot real 0m3.059s user 0m0.001s sys 0m0.143s regards, le --=20 Lukas Ertl eMail: l.ertl@univie.ac.at UNIX-Systemadministrator Tel.: (+43 1) 4277-14073 Zentraler Informatikdienst (ZID) Fax.: (+43 1) 4277-9140 der Universit=E4t Wien http://mailbox.univie.ac.at/~le/
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