Hello, I'm having a hard time tracking down some issues with bacula on my Linux2.6.9k system. I have the sense that the issue could be the result of a misconfiguration of a wide variety of sub-systems. I've spent a lot of time learning how to update firmware, verify driver versions and Fibre Channel topology. So with apologies in advance for my inability to identify the important info first... here's my issue.
I have a 4-cpu Xeon system that runs RedHat AS4. This has an Overland 11 slot
changer (/dev/sg12) with an HP LTO3 drive (/dev/nst0). This runs through a
AIC7xxx type of scsi card.
I rebuilt to bacula 2.0.2 last month. I also had the same issues last year
using 1.3.36. I use postgres 7.4.13 as the db.
The bacula system seems to function well on its own as tests with btape have no
issues. But, when jobs are run, the jobs run very slowly with long halts.
Also, thousands of these messages are put in the kernel ring buffer while the
jobs are spooling to the staging area. The database is on one Fibre Chan.
drive. The spooling directory is on another Fibre Channel drive. Most of data
getting backed up is from those and other FC drives. All of those drives are on
Fibre channel arrays on ioc0 using the mpt-fusion driver.
mptbase: ioc0: LogInfo(0x20000008): SubCl={FCP Initiator}
mptbase: ioc0: LogInfo(0x20000008): SubCl={FCP Initiator}
mptbase: ioc0: LogInfo(0x20000008): SubCl={FCP Initiator}
mptbase: ioc0: LogInfo(0x20000008): SubCl={FCP Initiator}
mptbase: ioc0: LogInfo(0x20000008): SubCl={FCP Initiator}
mptbase: ioc0: LogInfo(0x20000008): SubCl={FCP Initiator}
mptbase: ioc0: LogInfo(0x20000008): SubCl={FCP Initiator}
This bacula issue is the only issue that I have with the system. I can't
determine if the issue is related to bacula directly or if it is an indirect
problem that only appears during bacula due to the high throughput.
Have there been issue related to bacula's file usage on similar systems? (Just
grasping at straws.) Can anyone offer suggestions one identifying or solving
the problem?
Keith
---------------------------------
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in 45,000 destinations on Yahoo! Travel to find your fit.Hello,
I'm having a hard time tracking down some issues with my Linux2.6 system. I have the sense that the issue could be the result of a misconfiguration of a wide variety of sub-systems. I've done a fair bit tracking down hardware/ firmware issues, but I'm not convinced of my analysis. So with apolgies in advance for my inability to identify the importants first... here's my issue.
I have a 4-core Xeon system that runs RedHat AS4. This has an Overland 11 slot changer (/dev/sg12) with an HP LTO3 drive (/dev/nst0). This runs through a AIC7xxx type of scis card.
I rebuilt to bacula 2.0.2 last month. I also had the same issues last year using 1.3.36. I use postgres 7.4.13 as the db.
The bacula system seems to function well on its own as tests with btape have no issues. But, when jobs are run, the jobs run very slowly. Also, thousands of these messages are put in the kernel ring buffer while the jobs are spooling to the staging area.
I'm guessing that the issue is the device that houses the bacuala database. That drive is on a Fibre channel array on ioc0.
mptbase: ioc0: LogInfo(0x20000008): SubCl={FCP Initiator}
mptbase: ioc0: LogInfo(0x20000008): SubCl={FCP Initiator}
mptbase: ioc0: LogInfo(0x20000008): SubCl={FCP Initiator}
mptbase: ioc0: LogInfo(0x20000008): SubCl={FCP Initiator}
mptbase: ioc0: LogInfo(0x20000008): SubCl={FCP Initiator}
mptbase: ioc0: LogInfo(0x20000008): SubCl={FCP Initiator}
mptbase: ioc0: LogInfo(0x20000008): SubCl={FCP Initiator}
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