Messages in this thread |  | | | Subject | Re: Does Linux sync(2) wait? | | Date | Sun, 21 Mar 2004 16:30:53 +0100 | | From | Pascal Schmidt <> |
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On Sun, 21 Mar 2004 11:40:08 +0100, you wrote in linux.kernel: > Looking at 2.4 and 2.6 sources, Linux does appear to wait before returning. > I'm especially interested if NFS data is sent to the server. (I want to > be able to take a stable snapshot of a netapp volume.)
No idea about NFS, but sync(1) does wait. When I push 500M out to my MO drive, the cp operation returns fairly quickly because I usually have more than 500M free memory. Then I run sync(1), which takes about 20 minutes before it returns.
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