[email protected] — zapisano w dniu 2010-07-28 15:04:19: > [email protected] > Wysłane przez: [email protected] > > 2010-07-28 15:04 > > Odpowiedz użytkownikowi > "Red Hat Enterprise Linux 5 \(Tikanga\) discussion mailing-list" > <[email protected]> > > Do > > "Red Hat Enterprise Linux 5 \(Tikanga\) discussion mailing-list" > <[email protected]> > > DW > > [email protected], [email protected] > > Temat > > Re: [rhelv5-list] RHEL5 multipathing rdac - error messages during startup. > > > > [email protected] wrote on 07/28/2010 04:26:07 AM: > > > > > I managed to configure the multipathing devices with device-mapper- > > multipathing rdac (active-passive), however while system is booting > > I can see a lot of messages like: > > > > Buffer I/O error on device sdaa, logical block 0 > > end_request: I/O error, dev sdab, sector 0 > > […] > > > > Probably nash or something else during startup is checking all the > > devices (including the passive ones) that cause the very long system > > startup (we have like 26 FC devices). > > After startup device multipathig works fine, /dev/mapper is full of > > aliased devices, but still, from time to time, there are some error > > messages appering on the console. Like system was checking the passive > nodes. > > > > Is there any way to prevent such behavior ? > > If you are running LVM on those devices you might check out Red Hat kbase > 35489 > > https://access.redhat.com/kb/docs/DOC-35489 > > At the top it says EMC Clariion SAN, but later it mentions what to do if > its using HP's cciss driver. > > -greg >
Well it may be harmless, but looks bad, and whole boot up process, because of that, take about 10 to 12 minutes... not mentioning the ibm efi startup process witch takes another 4-6 minutes. All together … way tooo long :/ Krzysztof
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