Hangs on eprd_setup

[Mark Clarkson]

Hi,
I just tried eprd with a 4.3 kernel (Fedora with 4.3.5 kernel and Centos 6 with 4.3.0 kernel). I fixed some hopefully minor compile time errors:

• bio_endio(bio, ret);

• bio_endio(bio);

• if (misc_deregister(&_eprd_misc) < 0)

• EPRDERR("misc_deregister failed for eprd control device");
• misc_deregister(&_eprd_misc);

eprd_setup hangs:

root# ./eprd_setup -f /data-mta/mta.img -s 1G -m 10 -c -p 512M

It's unkillable.

I'm using lessfs and at some points I'm getting 2000 iops so I was hoping to use eprd to store the mta berkeley dbs in eprd. I think this would speed up the backups especially for directories with many thousands of small files.

Could you take a look? Or do you have some tips for debugging?

Thanks!
Mark Clarkson

[Mark Ruijter]

Hi Mark,

I will certainly take a look.
However I have been traveling for the last two weeks and will only return home at the end of this week.

Therefore it may take some time before I can get back to you.

Thanks,

Mark Ruijter

Verstuurd vanaf mijn iPhone

Op 17 feb. 2016 om 06:21 heeft Mark Clarkson mclarkson@users.sf.net het volgende geschreven:

Hi,
I just tried eprd with a 4.3 kernel (Fedora with 4.3.5 kernel and Centos 6 with 4.3.0 kernel). I fixed some hopefully minor compile time errors:

bio_endio(bio, ret);
bio_endio(bio);

if (misc_deregister(&_eprd_misc) < 0)

EPRDERR("misc_deregister failed for eprd control device");
misc_deregister(&_eprd_misc);
eprd_setup hangs:

root# ./eprd_setup -f /data-mta/mta.img -s 1G -m 10 -c -p 512M

It's unkillable.

I'm using lessfs and at some points I'm getting 2000 iops so I was hoping to use eprd to store the mta berkeley dbs in eprd. I think this would speed up the backups especially for directories with many thousands of small files.

Could you take a look? Or do you have some tips for debugging?

Thanks!
Mark Clarkson

Hangs on eprd_setup

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