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General Operating Guidelines and Limitations
StorNext User’s Guide 340
Linux StorNext does not support the use of loopback IP addresses other than
127.0.0.1. SUSE Enterprise Linux 10 systems sometimes have an entry for
127.0.0.2 in the
/etc/hosts file. This causes various FSM operations to fail with
the error “Not Local.”
Linux Distributed Gateway (Proxy Server) Restrictions:
The dpserver file, used to configure network interfaces and addresses for
Distributed Gateways, has a counter-intuitive restriction. If an interface has
more than one address, an address must be specified in the dpserver file.
However, if the interface has only one address, an address cannot be specified
or the mount command will fail.
Many versions of Linux run a
cron script nightly to build a database used by
the
slocate command. If StorNext file systems are mounted, they are traversed
by this
cron job which can have a dramatic impact on the performance of
other applications currently using these file systems. Perform the following
steps (based on Linux version) to prevent the
cron script from traversing
StorNext file systems.
RedHat Enterprise Linux 4 and 5
Add “cvfs” to the list of file system types to be skipped. This is usually done
by modifying the “PRUNEFS” line in the
/etc/updatedb.conf file to read:
PRUNEFS=”cvfs sysfs selinuxfs usbdevfs devpts NFS nfs nfs4 afs sfs proc smbfs cifs
autofs auto iso9660 udf”
SUSE Linux Enterprise Server 10
The optional “findutils-locate” package is used to build the slocate database.
The default behavior is to disable building the database. If enabled, to
prevent cvfs file systems from being scanned, add “cvfs” to the list of file
system types to be skipped. This is usually done by modifying the
“UPDATEDB_PRUNEFS” line in the
/etc/sysconfig/locate file to read:
UPDATEDB_PRUNEFS=”cvfs”
All UNIX and Linux The swapon command does not work on StorNext file systems. The Linux/
Unix
swapon command is used to specify devices on which paging and
swapping take place. If
swapon is run on a StorNext file system, the command
fails with an invalid argument error.
Operating System /
Affected Component Description