Knowledgebase : Filesystem related
About File Size
This article is about the SIZE OF FILES. It sounds trivial, but at a second glance it turns out to hold some surprises. As an example, lets use a text file that resides on the desktop and contains the text "Hello World". The file has 11 character, e...
Accessing Synchronize __CYCLES folders with older snapshots on S...
When synchronizing files onto a BTRFS FILE SYSTEM on SYNOLOGY NAS devices and old states are kept as snapshot, then these snapshots are created as btrfs-snapshot through file system mechanisms. btrfs then mounts these snapshot on the root of the volume ...
Backing up 'ALL' vs. the volume root '/'
Question from an actual support ticket: I have a backup plan to backup the root or system disk on a server/workstation. The PresSTORE "Backup Task" configuration, the "Data to back up:" field says "ALL" as by default. When I run the job, it wants to ...
Backup2Go recommendations
ON FILE SYSTEMS WITHOUT HARDWARE SNAPSHOT CAPABILITY, P5 creates and maintains the snapshots using soft and hard links. This includes for instance HFS on Mac, NTFS on Windows, ext4 on Linux. A lot of effort has been put into that implementation, but it...
Configure volume encoding for Xinet volumes
PresSTORE application server recognizes Xinet volumes automatically by examining related Xinet configuration files. For each volume, it's name and the corresponding Unix directory are automatically recognized. Unfortunately, other volume related data, l...
Does Synchronize work across platforms?
As long as there is file system the machine sees, it can be used to save the data. Therefore, it is possible to synchronize across different platforms (e.g. Mac -> Win, Win -> Linux, Solaris -> Mac etc.). However, the question is, which file system the s...
File system limitations
We are sometimes asked why a file cannot be handled by PresSTORE even if the access rights are fully granted. Often, problems arise from the limitations in the file system. In case the file system cannot store a file because of its limitations, PresSTOR...
Helios related issues
In some circumstances, files restored or synchronized by PresSTORE into a running Helios volume do not show up in Macintosh Finder. Here are some of the most common causes: Read-only volumes Helios desk server refuses to allocate file/folder ID's for fil...
HOW TO add a B2Go repository folder on a QNAP based P5 server
For Qnap this would be the easiest way of creating repo: 1. Open FileStation and create new shared folder with default settings 2. Verify that the folder is created (in FileStation) 3. Right click on newly created shared folder, select Properties and the...
Incompatibility with Helios CD24
Helios has changed its desksrv API with update CD24, which has lead to compatibility problems with PresSTORE up to version 3.1.1. We will resolve this incompatibility as soon as possible, in the meantime we recommend NOT to install Helios CD24 upda...
Limitations for File System Events on Windows
Starting with PresSTORE version 3, on Windows you can speed up Synchronize jobs by configuring file system events in the Synchronize Plan's additional options. PresSTORE then does not need to scan the source and target directories with each execution o...
Network Filesystems
The PresSTORE modules Backup, Archive and Synchronize should not be executed against files residing on network mounted volumes. Instead, a PresSTORE client has to be installed on the host where data is read or written to. This article describes why. Th...
Novell Storage Services (NSS)
Starting with V3, PresSTORE supports extended file attributes on Linux and, as a consequence, is able to properly save and restore additional user rights of the files managed by the Novell Storage Services on Linux. As stated by Novell, the following are...
Owner and Group of files Synced between Windows and Unix / OS X
When Synchronizing files from Unix / OSX to Windows, owner and group attributes cannot be converted 1:1. Because of that, the files are set to be owned by the local administrator account in the local administrator group on Windows. In the opposite directi...
P5 and NAS (Network Attached Storage)
For more information on P5 and NAS please see this article in our blog: http://www.archiware.com/blog/p5-nas/ [1] keywords: network attached storage iscsi backup2go backup cifs windows ExtremeZ-IP linux Links: ------ [1] http://www.archiware.com...
Presstore & Xinet
Q: What does Presstore require to consider Xinet to be running? A: Presstore checks two things: 1. is there /usr/etc/appletalk directory 2. is there a /usr/etc/appletalk/ksd running process Both conditions must be met. If they are, Presstor...
PresSTORE and NAS
NAS: Network Attached Storage This article applies to ethernet connected storage devices that offer AFP, NFS, SMB or similar services. In general, we recommend installing P5 on supported NAS. If that is not possible, we recommend using iSCSI instead of A...
PresSTORE Filter - Expert Options
Generally, PresSTORE follows the GNU find command definition for its filter expressions. However, some predicates are not supported for all the OSes and some are not supported at all. PREDICATES SUPPORTED FOR ALL OSES ! ( ) , asecs csecs msecs am...
Speedup Slow SMB Mounted devices on Windows
We described in another article how to make a network mount available to P5 on Windows, that was here:    https://support.archiware.com/support/index.php?/Knowledgebase/Article/View/182/0/how-to-back-up-a-network-drive-on-windows [https://support.archiwar...
Statistic output of Backup Jobs
Starting with version 6.1.2, P5 outputs statistic file info in Backup Job logs. This info gives an insight why files are saved, or saved again in incremental backups. FILE LOOKUP SUMMARY This show the then number of files and folders that were found du...
Using Virtual Shadow Copy Service on Windows
When using the Virtual Shadow Copy Service (VSS) on Windows hosts, please be aware of the following limitations: * The VSS is always applied on the complete volume / drive. In case multiple jobs are reading from that drive, the same shadow copy is used...