similar to: Debugging/optimizing LAN/Fileserver Performance

Displaying 20 results from an estimated 5000 matches similar to: "Debugging/optimizing LAN/Fileserver Performance"

2014 Mar 22
4
suggestions for a "fast" fileserver - 1G / 10G
Hi, I'm looking for some recommendations for a "fast" fileserver regarding the hardware you use. We have different fileservers as our requirements changed over time. The "main" problem we are faced with is, that with smb (windows 7 and OS X) clients we never get really close to GBit speed on reads or writes. Using the same servers/storages with ftp, ssh, rsync, nfs we
2011 Nov 02
2
dovecot upgrade 1.0.7 -> 2.0.14 / CentOS EL 5.7
Hi, did anybody did an update from 1.x -> 2.x yet? I'D like to use the rpm from http://packages.atrpms.net/dist/el5/dovecot/ May be someone has some suggestions? Regards . G?tz -- G?tz Reinicke IT-Koordinator Tel. +49 7141 969 420 Fax +49 7141 969 55 420 E-Mail goetz.reinicke at filmakademie.de Filmakademie Baden-W?rttemberg GmbH Akademiehof 10 71638 Ludwigsburg www.filmakademie.de
2013 Oct 11
1
cleaning up some LVM stuff
Hi, one more LVM thing: on one server some LVM stores are physically removed but still there are some informatione somwher spread adcross teh server. e.g. if I do a vgdisplay or pvcreat I get an error regarding that old storage: /dev/raid_10/lvol0: read failed after 0 of 4096 at 14000515383296: Eingabe-/Ausgabefehler How can I remove all information? Thanks for any hint. Regards . G?tz
2015 Apr 30
2
Mysql 5.6, Centos 7 and errno: 24 - Too many open files
Thank you for clarifying this, Johan. Very much appreciated! On Wed, 29 Apr 2015 22:28:00 +0200 Johan Kooijman wrote: > Carl, > > By default my.cnf has to obey the OS limits, so in this case the > order is: systemd > /etc/security/limits* > /etc/my*. > > On Wed, Apr 29, 2015 at 3:22 PM, Carl E. Hartung > <carlh04426 at gmail.com> wrote: > > > Hi
2014 Mar 25
4
suggestions for a "fast" fileserver - 1G / 10G - focus on smb.conf/samba
Hi, thanks for all the feedback and topics. May be I can/should draw a better picture of my settings and question. We "still" use samba 3.6.9-167 from Red Hat with an openldap backend. I tried from an older posting somewhere: socket options = TCP_NODELAY IPTOS_LOWDELAY SO_RCVBUF=65536 SO_SNDBUF=65536 But there was no noticeable impact. The log level = 2. Thats all I changed
2013 Nov 26
1
Filesystem labeling confusion or mess up
Hi, I do have an iscsi storage with two raidsets. I'm logged in to the target and get two devices: /dev/sdb and /dev/sdc. After formatting the devices with ext4 I realised, that I had used a wrong label, so I tried to relabel the devices. But now I'm confused: doing a e2label /dev/sdb or /dev/sdc returns always the same label name for both devices. so I did "e2label /dev/sdb
2011 Oct 28
2
read failed after messages of non existing harddisks
Hi, some time ago I removed some physical disks from a server and now I'm still getting dmesg messages like: sd 0:2:2:0: SCSI error: return code = 0x00040001 end_request: I/O error, dev sdc, sector 0 And all lvm tools still grumbel about that disks too: /dev/sdb: read failed after 0 of 4096 at 0: Eingabe-/Ausgabefehler /dev/sdb: read failed after 0 of 4096 at 1746969493504:
2014 Feb 24
3
Oldies but Goldies - Dovecot 1.2 and Sieve
Hi, we still run dovecot 1.2.17 and upgrading is not planed for some time. But I'm asked to install a sieve system to be used with SOGo soon. What do I have to install / configure? Is installing/configuring the dovecot-sieve-0.1.19 and dovecot-managesieve-0.11.13 enough? We still use mostly the default settings for imaps/pop3s. And of course configure SOGo. Thanks for any feedback.
2015 Apr 29
4
Mysql 5.6, Centos 7 and errno: 24 - Too many open files
Hi, may be somewon has a working solution and information on that: I installed the most recent mysql community on a server and do get a lot of "errno: 24 - Too many open files". There are suggestions to increase the open_files_limit, change/add that to /etc/security/limits.conf and modify the systemd script by hand. Depending on how you start mysql (restart, or at systemboot time
2015 Apr 29
2
Mysql 5.6, Centos 7 and errno: 24 - Too many open files
Hi Johan, Does systemd also overrule /etc/my.conf? Thx! Carl On Wed, 29 Apr 2015 14:58:52 +0200 Johan Kooijman wrote: > Gotz, > > This is due to systemd, it overrules your settings. Add a file to > systemd config fixes it: > > [root at mysql2 ~]# cat /etc/systemd/system/mariadb.service.d/limits.conf > [Service] > LimitNOFILE=10000 > LimitMEMLOCK=10000 > >
2013 Feb 26
2
Suggestions for upgrading dovecot 1.0.7 Redhat EL 5.x
Hi, we still have our solid rock dovecot 1.0.7 Redhat el 5.x up and running. We don't need much magic or special setups. However we'd like to think what might be the next step in upgrading our setup. Each user one mbox mailbox. About 500 imap/pop3 accounts, 400GB data. First of all: to what version is a good step from 1.0? Can we get a rpm from e.g. atrpms repository? Dose anyone has
2015 Oct 20
3
strange diskspace consuming
Hi, I do a tgz-backup some maildir-folders with n*1000 off files and a lot of GB in storage. The backuped maildirs are removed after the tar. My assumption was, that the free diskspace should be bigger after that, but from what I get with df, it looks like I'm loosing space. Currently the tgz is saved on the same disk/mountpoint. Any hint, why removing the maildirs dont free diskspace as
2015 Oct 30
1
updating and wsitching repo to yum.dovecot.fi - Unknown protocol: sieve
Am 30.10.15 um 15:44 schrieb Teemu Huovila: > > > On 30.10.2015 15:35, G?tz Reinicke - IT Koordinator wrote: >> Am 30.10.15 um 11:49 schrieb Teemu Huovila: >>> >>> >>> On 30.10.2015 12:18, G?tz Reinicke - IT Koordinator wrote: >>>> Hi, >>>> >>>> winter is coming and so I start to clean up some left overs of the year.
2013 Sep 27
2
Intel 10G X520-2 and iscsi storage poor performance
Hi, we have a storageserver (Centos 6.4) with a dualport Intel 10G X520-2 Adapter. A QSan P600Q-D316 Storage is configured with 8*SATA Drives raid 5 for test, connected trought a Cisco UCS 6100 Series Fabric Interconnect 10G Switch. I formated the storage with ext4 defaults, one volume and got r/w rates about 10MB/s some up to 40MB/s .... VERY POOR.... So we returned the storage to our dealer
2013 Dec 03
2
Same home path on multiple servers - how to ?
Hi, I have a samba 3.6 PDC with ldap backend. Now I'd like to add an other storage samba server which uses the same home directory structure as the PDC. I have configured the new server using winbind, so the users can log in with the password stored in ldap. But the home directory stored in ldap is not used; the new server searches in /home/UID or /home/DOMAIN/uid. Any hints? Or
2011 Oct 28
4
You suggestion for 'big' filesystem management Best Practice?
Hi, we plan to set up a big file storage for media files like uncompressed movies from student film projects, dvd images etc. It should be some sort of archive and will not bee accessed by more than may be 5 people at the same time. The iSCSI RAID we have is about 26TB netto and I'm again faced with the question: How many partitions, which filesystem, which mount options etc. For the User
2012 Jan 19
1
Redundant DHCP server with mixed static nonstatic ips
Hi, it's time to start our redundant dhcp server setup and I found some suggestions and tutorials. But all setups I found use either static or nonstatic ip adress management. For the static setup I'd setup two servers and copy the configfile from the 'master' to the secondary server and do a dhcpd restart. For the nonstatic I have to setup pool and failover peer configurations
2011 Nov 22
2
bind slave sync takes long
Hi, I do have two DNS servers running bind 9.7.3. One master, one slave. If I add/update a record on the master, it takes up to more or less 20 hours until that change is transferred to the slave. That is a long time for me :-) May be I got some settings wrong which would sync much faster ... ? What could be wrong? What might I check? Thanks for any suggestion and hint! Regards . G?tz --
2013 Mar 06
4
question regarding rw-access on mailbox on creation/login (dovecot 1.2.17)
Hi, currently I have one new user with a problem. When she logs in to dovecot with pop3 from her apple mail, dovecot tells problems with the +w permission. Error: open(/var/mail/******) failed: Permission denied (euid=3462(******) egid=548(dozenten) missing +w perm: /var/mail) /var/mail is rw by root.mail I cant see why just this particular user has that problem/gets that messages. AFAIK no
2014 May 14
4
Error open(/var/lib/dovecot/db/shared-mailboxes) after update 2.2.10 -> 2.2.13
Hi, I did an update from dovecot 2.2.10 -> 2.2.13 and now I'm getting errors: May 14 10:40:00 imap(hansdampf): Error: open(/var/lib/dovecot/db/shared-mailboxes) failed: Permission denied Currently the permissions on shared-mailboxes rw-rw-rw but teh error still exists. Any hints? Thansk and Regards. G?tz -- G?tz Reinicke IT-Koordinator Tel. +49 7141 969 82 420 E-Mail goetz.reinicke