[DRBD-user] Strange problem with output of /proc/drbd

Bram Klein Gunnewiek bram at shockmedia.nl
Fri Jun 12 14:04:20 CEST 2015

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

Obviously I mean verify progress, not resync progress

On 06/12/2015 01:33 PM, Bram Klein Gunnewiek wrote:
> Version info:
> version: 8.4.3 (api:1/proto:86-101)
> srcversion: 6551AD2C98F533733BE558C
> When /proc/drbd shows resync progress the progress for disks that are 
> bigger then "a few gb" don't display a newline character after the 
> size denomination (M). Smaller disks do show the newline. I checked 
> the source code (latest but also 8.4.1 and 8.4.3) and afaik it should 
> print a newline character (in function drbd_syncer_progress).
> Is this a known bug or something realy specific to the verion ubuntu 
> compiled? We are parsing the output and its pretty difficult to do 
> this properly without a newline and/or space between 'M' and 'finish'.
> Correct output:
>  0: cs:VerifyS ro:Secondary/Secondary ds:UpToDate/UpToDate C r-----
>     ns:0 nr:0 dw:0 dr:40376 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:f oos:0
>     [>...................] verified:  8.6% (483912/524288)K
>     finish: 0:02:35 speed: 3,104 (3,104) want: 5,640 K/sec
> Wrong output (missing a newline):
>  1: cs:VerifyS ro:Primary/Secondary ds:UpToDate/UpToDate C r-----
>     ns:0 nr:0 dw:0 dr:25250432 al:0 bm:0 lo:64 pe:6175 ua:129 ap:0 
> ep:1 wo:f oos:0
>     [=============>......] verified: 72.0% (4016/14336)Mfinish: 
> 0:01:36 speed: 42,620 (42,604) want: 57,560 K/sec

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