[DRBD-user] Sync Speed Limited to 102400

Darren Ginter dsginter at gmail.com
Tue Nov 4 21:54:37 CET 2014

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


No matter what the config is set to, the "want 102,400 K/sec" is always
present.  Is this a bug?

Linux rozrep1 3.13.0-32-generic #57-Ubuntu SMP Tue Jul 15 03:51:08 UTC 2014
x86_64 x86_64 x86_64 GNU/Linux

root at rozrep1:~# drbdadm --version
DRBDADM_BUILDTAG=GIT-hash:\ 599f286440bd633d15d5ff985204aff4bccffadd\
build\ by\ phil at fat-tyre\,\ 2013-10-11\ 16:42:48
DRBDADM_API_VERSION=1
DRBD_KERNEL_VERSION_CODE=0x080403
DRBDADM_VERSION_CODE=0x080404
DRBDADM_VERSION=8.4.4

root at rozrep2:~# drbdsetup /dev/drbd/by-res/vmware/0 show
resource vmware {
    options {
    }
    net {
        protocol         A;
        cram-hmac-alg   "sha1";
        shared-secret   "FooFunFactory";
    }
    _remote_host {
        address ipv4 169.254.0.1:7789;
    }
    _this_host {
        address ipv4 169.254.0.2:7789;
        volume 0 {
            device minor 1;
            disk "/dev/zvol/tank/vmware";
            meta-disk internal;
            disk {
                *resync-rate     307200k;* # bytes/second
            }
        }
    }
}
root at rozrep2:~# service drbd status
drbd driver loaded OK; device status:
version: 8.4.3 (api:1/proto:86-101)
srcversion: F97798065516C94BE0F27DC
m:res     cs          ro                 ds                         p
  mounted  fstype
...       sync'ed:    6.5%               (6460816/6902800)Mfinish:
 17:15:44  106,444  (102,396)  *want:  102,400  K/sec*
1:vmware  SyncTarget  Secondary/Primary  Inconsistent/UpToDate      A
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