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-1
votes
1answer
251 views

What dose these units means in zabbix?

When i try to set some items for my disk read and write, I found it by vfs.dev.read and vfs.dev.writefor zabbix-agent. This item contain a parameter named type which some of them are unknown for me. ...
0
votes
1answer
68 views

What read/write speed should I expect when writing a file to unix box over cat5e cable? [closed]

Right now the read is at 40+ megabytes/second and the write is around 1.5 megabytes/second. Is that to be expected or should I do more diagnosing? It seems awfully slow... My setup: Macbook Pro ...
1
vote
1answer
102 views

Logging sshfs reads + writes - Possible?

We use sshfs in quite a few situations. We were wondering if there was a way to log the read / writes made to the sshfs mounts we have so we could optimize things on our local side (eg: tweaking ...
1
vote
0answers
698 views

Can't write to other users “you have write permission turned off”

For some reason I'm not able to write to other users on my system. [root@hostname ~]# write write: you have write permission turned off. [root@hostname ~]# mesg y [root@hostname ~]# mesg is y ...
0
votes
1answer
164 views

Postfix can't write queue file

We had a problem with our mailserver lately: Setup: Server with Raid 1 running XenServer VM with Mailserver What happend? 1 disk failed Raid-Controller locked the disks so nothing could be ...
0
votes
1answer
269 views

Which user should i give permission to in IIS?

I'm running a windows 2012 server with IIS 8 installed, I have a php script which complains about not having write permission on a specific folder. If I grant permissions to this IUSR user, It works ...
1
vote
0answers
60 views

Why doesn't NFS4's ID mapping give me write access?

I have installed an NFS server on an Ubuntu server system. The /etc/exports says / 192.168.178.0/24(ro,sync,fsid=0,no_subtree_check,root_squash) /home/bronger ...
0
votes
1answer
2k views

vsftpd: refusing to run with writable root inside chroot

I want to setup a anonymous only ftp server (able to upload files). Here is my config file: listen=YES anonymous_enable=YES anon_root=/var/www/ftp local_enable=YES write_enable=YESr. ...
0
votes
1answer
336 views

How to grant full rights in smb.conf for subnet?

I have following smb.conf: http://pastebin.com/gCchZQvC Situation is that when I'm mapping my shares I need to login using my credentials to have ability to create directories and files. When I'm ...
0
votes
2answers
1k views

Writeback cache in linux

In linux how do I have a writeback cache on disks? Basically, I'd like to setup a 100MB RAM cache for writing that writes out every 3-5 minutes or when full. Is this possible? Is there a sysctl ...
3
votes
3answers
964 views

Limit Hard Drive Write Speed by User in Linux

Background: I use a cluster with my coworkers and if anyone writes too many big files at the same time I can't even move the cursor in vim (the horror!). I'm not sure if it is more related to the ...
2
votes
1answer
987 views

Turn off write barriers on ext4 whiche FS is mounted

I am doing some IO intensive DB imports that run for several days now and the IO performance has dropped tremendously over times. The DB data files (log files) are on an ext4 formatted logical volume ...
1
vote
0answers
47 views

Which process is using my NAS?

I have a nas connected to my cluster. The NAS holds all our home directories. When I did a set of experiments last week, saving a 1 GB file to the nas took around 30 seconds. If i do the same to a ...
1
vote
2answers
455 views

Large delay starting “dd” write in background in bash even when using nohup

I wrote a small script to print the memory usage during a large sequential write of a file. #!/bin/bash rm result echo 3 > /proc/sys/vm/drop_caches sync; echo start nohup time dd if=/dev/zero ...
1
vote
2answers
448 views

SSH: Give user read/write permissions [closed]

How do I give a user certain read/write permissions?
1
vote
1answer
1k views

Windows Server 2008 R2--how give a WCF service write permission to folder?

I'm using Windows Server 2008 R2. A WCF service running in IIS under ApplicationPoolIdentity needs permission to write to a folder. This was fine when the WCF service was using the built-in ...
1
vote
1answer
2k views

ProFTPD: Disable writing and deleting to a particular directory

How would I prevent writing and deleting to the ~/site/backups/ directory in the ProFTPD config? So far: I think I have figured out how to disable any kind of deleting: <Directory ...
0
votes
1answer
299 views

PHP script gives “failed to open stream: Permission denied” unless permissions allow public write

I have a php script in a directory called /manager. In it, I open and write to a file in the directory above /manager. However, if the permissions are set to allow owner write, I get "failed to open ...
0
votes
4answers
592 views

is there some sort of catchable trigger when one writes/deletes a new file in linux?

I would like a simple tool for syncing two folders on remote servers... Utopically, I only need an OS catchable trigger (or something like that) that could be used to fire rsync automatically ? Is ...
0
votes
1answer
584 views

Slow speed for UFS mounted drive in Linux

I have a disk that has Sun OS disk, (ufs filesystem). And I want to mount it in my debain machine with read/write mode. Since by deafult linux doesn't support write to ufs filesystem. I had to ...
3
votes
3answers
945 views

Benefits of a RAID BBU in addition to a double UPS + PS system

Today I roughly measured the benefits of enabling write-back on the RAID controller on a server at work. It got no RAID battery-backup-unit (BBU) so the write-cache is currently disabled. As the ...
0
votes
1answer
545 views

IRP_MJ_WRITE latency up to 15 seconds

We have written an application that performs small (22kB) writes to multiple files at once (one thread performing asynchronous queued writes to multiple locations on behalf of other threads) on the ...
0
votes
1answer
600 views

Which write permission with ASP.NET and IIS

I have problems setting up the right permissions on my server for writing, modifying content. I simple get a "Access denied" when I try to unpack a zip-file or write some files to the folder using ...