We just moved a user, who deals with a *lot* of data, to a new server,
since his old NFS home directory was on a disk that had started showing
problems.
Now, i/o is about six times slower, my manager reports.
After a fair bit of googling, I started looking at tc and ip, and found
the following: from ip address show, first, on the old home directory
server,
eth0: <BROADCAST,MULTICAST> mtu 1500 qdisc pfifo_fast qlen 1000
then, on the new:
eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen 1000
I've tried tc qdisc add dev eth0 mq pfifo_fast
and
tc qdisc add dev eth0 pfifo_fast
and neither works. I've googled, and seen something about you can't set
something with tc, because pfifo_fast is the hardwired default.
Anyone know how I can reset this, or is there a package I can reinstall
that would do that?
mark
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