[Xen-users] upgrade to centos 5.3 and see blkback.<nn>.sda<n> on 'ps aux'

[Markus Hardiyanto <informatics2k1@xxxxxxxxx>]

Hello,

i was upgrading dom0 to centos 5.3 and the yum update does upgrade the kernel 
to 2.6.18-128.1.6.el5xen

the xen version installed is:
xen-3.0.3-80.el5_3.2
xen-libs-3.0.3-80.el5_3.2
kernel-xen-2.6.18-128.1.6.el5

after updating i starting to see this when running 'ps aux' command:

root     15666  0.0  0.0      0     0 ?        S<   02:39   0:00 
[blkback.17.sda1]
root     15667  0.0  0.0      0     0 ?        S<   02:39   0:00 
[blkback.17.sda2]
root     16270  0.0  0.0      0     0 ?        S<   02:46   0:00 
[blkback.18.sda1]
root     16271  0.0  0.0      0     0 ?        S<   02:46   0:00 
[blkback.18.sda2]
root     16889  0.0  0.0      0     0 ?        S<   02:53   0:00 
[blkback.19.sda1]
root     16890  0.0  0.0      0     0 ?        S<   02:53   0:00 
[blkback.19.sda2]
root     17480  0.0  0.0      0     0 ?        S<   02:56   0:00 
[blkback.20.sda1]
root     17481  0.0  0.0      0     0 ?        S<   02:56   0:00 
[blkback.20.sda2]google search doesn't help much, some of the search result 
said that they have problem with the networking, however all the domU on my 
server seems to be working normal. what is blkback anyway? is this normal 
processes? if not how to fix it?

thank you

 Best Regards,
Markus



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