Archiving IVTVision Video (Linux)

Transcription

1 Archiving IVTVisin Vide (Linux) 1 Intrductin Because IVTVisin Server recrds vide using a straightfrward perating system file structure, archiving vide shuld be simple fr any IT prfessinal. This dcument applies t Ubuntu Linux IVTVisin Servers. Archiving is perfrmed using built-in Linux tls. Archiving vide and, mre imprtantly, viewing the archived vide with IVTVisin is easy because vide is stred in perating system files in an intuitive directry structure. The directry structure and file name are cnstructed based n the recrding time. (Fr mre infrmatin see the Knwledge Base article at When the drives enabled fr the strage f recrded data are full, the ldest files are typically remved t make rm fr newer recrding. This deletin ccurs in rund rbin fashin amng all recrding-enabled drives until there is enugh free space t pen a file fr recrding new vide. The fllwing sectins describe the cmplete prcess fr archiving and restring vide Pascal Gagnn Saint-Lenard, Quebec, Canada H1P 1Y4

2 Archiving IVTVisin Vide (Linux) 2 Archiving Vide T archive IVTVisin vide, cmplete the fllwing steps: 1. Cnfigure the Archive strage. T d this, determine the lcatin where yu want t archive the vide files. Fr this example, we ll archive t a netwrk shared drive (like a shared flder n a Windws cmputer), accessible thrugh a UNC path (such as \\ \NBackup) and with the fllwing requirements: Make sure yu have sufficient strage space n the netwrk share. The archive prcess will delete nly the archived vide lder than a cnfigurable number f days, s it is up t the system administratr t prperly cnfigure the number f days r add strage t ensure that there is space fr newly archived vide. Make sure yu have credentials fr access t the netwrk share. Understand the thrughput f the netwrk share, bth fr disk writing and netwrk usage. Understand the margin f the IVTVisin Server t its thrughput capability. Reading data ff the drives fr archiving decreases the write thrughput fr recrding incming vide. Lg in t the Admin perating system accunt n yur Linux IVTVisin System. Open System, Administratin, and then Synaptic Package Manager. Enter the perating system admin credentials when prmpted. Scrll dwn the list t smbfs, select it fr installatin, and click Apply. Open a Terminal windw. Enter the fllwing: sud mkdir /mnt/backup Enter the perating system admin credentials when prmpted. Enter the fllwing: sud gedit /etc/fstab Add the fllwing t the end f the file: // /NBackup /mnt/backup smbfs username=user,passwrd=pass 0 0 Save the file and clse it. Enter the fllwing: sud munt a Ensure there are n errrs. Enter the fllwing: munt Ensure that yu see yur netwrk share at the end f the list with type cifs (rw) Pascal Gagnn Saint-Lenard, Quebec, Canada H1P 1Y4

3 Archiving IVTVisin Vide (Linux) 2. Cnfigure the Archiving task: On yur netwrk shared drive, create a directry fr this system. D nt use spaces in the name. Fr this example, we ll use ev0001. Frm the Linux IVTVisin system, yu can d this with this entry: sud mkdir /mnt/backup/ev0001 In a Terminal windw, enter the fllwing sud gedit /etc/crn.daily/backup This creates a script file that will execute daily t perfrm the backup. Add the fllwing lines: #!/bin/sh find /mnt/backup/ev0001 -mtime exec rm {} \; rsync -a /mnt/edvr/1/ /mnt/backup/ev0001 If yu have mre than ne recrd drive in yur Linux IVTVisin system, add additinal lines similar t this: rsync -a /mnt/edvr/2/ /mnt/backup/ev0001 The -mtime +180 prtin will delete files lder than 180 days frm yur archive lcatin. Adjust that value t match yur archive strage resurces and requirements Save the file and exit. Enter the fllwing: sud chmd a+x /etc/crn.daily/backup sud chwn rt /etc/crn.daily/backup sud chgrp rt /etc/crn.daily/backup The first time the archive task runs, it culd take a very lng time t cpy all the existing vide t the netwrk share. While the cpy is taking place, the IVTVisin Vide Server can cntinue t run. If its vide drives are full, it deletes vide files as it runs t create mre space fr recrding new vide. The archive will cntinue if it encunters a vide file that has been deleted after it started. The next times the task runs, nly new files that have nt been previusly archived are cpied; thus, the duratin shuld be shrter than the initial run. Hwever, it is pssible that large amunts f vide can be recrded even in a single day perhaps mre than the archive netwrk share can handle if it is nt a high-perfrmance strage device. NOTE: Yu are respnsible fr disk management f yur archive lcatin. Yu must edit the mtime parameter in /etc/crn.daily/backup t ensure that it autmatically deletes vide after a small enugh time perid that the archive destinatin des nt get full. If the archive destinatin is full, the next autmatic archive will fail. NOTE: By default, Ubuntu Linux runs daily tasks, such as crn.daily, at 06:25 (6:25 AM) Pascal Gagnn Saint-Lenard, Quebec, Canada H1P 1Y4

4 Archiving IVTVisin Vide (Linux) 3 Retrieving Archived Vide NOTE: Please refer t the fllwing Knwledge Base article fr cmplete infrmatin abut the filenames and directry paths f archived vide: If yu have access t the shared archive drive frm a Windws cmputer, fllw these steps. The archived files will play frm the IVTVisin Player n a Windws system even if they were recrded frm a Linux IVTVisin System. 1. Brwse t the archive netwrk share in Windws Explrer frm a cmputer n which IVTVisin Client is installed. The IVTVisin Client installatin assciates *.ps files with the IVTVisin Player. 2. Brwse t the directry cntaining vide frm the date and time f interest. The directry structure is /YYYY/MM/DD/HH. Within that directry, files are named with MMSS as the first fur digits. Files typically cntain five minutes f vide. Dubleclick t pen the file in IVTVisin Player. Cameras might be recrded int individual files, s pen all files until yu find the camera f interest Pascal Gagnn Saint-Lenard, Quebec, Canada H1P 1Y4

5 Archiving IVTVisin Vide (Linux) Yu can als access the archived vide frm yur Linux IVTVisin System, assuming it has the IVTVisin Client installed n it (by default, the client is installed n systems purchased directly frm Inaxsys): 1. Chse Places and then Cmputer, and brwse t /mnt/backup/ev Brwse t the directry cntaining vide frm the date and time f interest. The directry structure is /YYYY/MM/DD/HH. Within that directry, files are named with MMSS as the first fur digits. Files typically cntain five minutes f vide. 3. Right-click and select Open in eplayerpr t play the vide file in IVTVisin Player. Cameras might be recrded int individual files, s pen all files until yu find the camera f interest. If yu d nt see Open in eplayerpr, chse Open in Other Applicatin. Brwse t /usr/lcal/exacq/client and select eplayerpr Pascal Gagnn Saint-Lenard, Quebec, Canada H1P 1Y4

6 Archiving IVTVisin Vide (Linux) Searching archived vide frm IVTVisin Client is als easy: 1. Make sure yu have sufficient free space n ne f the IVTVisin Server s hard drives. Yu must chse a drive that is selected fr recrding n the Strage Setup page, r else the IVTVisin Server will nt search it. 2. Cpy the files frm the archive netwrk share t the /mnt/edvr/x/yyyy/mm/dd/hh directry n the IVTVisin server identified in the step abve. NOTE: Because the IVTVisin Server deletes lder vide t make rm fr newer vide, the apprpriate directry t hld the archived vide files might have been deleted n lnger exist n the IVTVisin Server s drive. If necessary, create the directry accrding t the /YYYY/MM/DD/HH filename frmat. 3. Use IVTVisin Client t search the desired time range, which shuld nw shw results. 4. When yu are dne searching in the Client, remve the vide frm the IVTVisin Server (the archived vide will still reside n the archive netwrk share). This keeps the files frm filling drive space that culd be used fr newer vide. If yu d nt delete the files yurself, they will be deleted by the IVTVisin Server. Nte that the IVTVisin Server uses the created time attribute f the file (nt the directry path structure) t determine the age f the file; thus, if yu leave the restred files t be deleted by the Server, they will fill strage space fr lnger than their directry path wuld suggest. NOTE: With either apprach, if multiple recrding drives are used n the IVTVisin Server, it is pssible that each drive is archived t a different archive lcatin. See the paths used with each rsync cmmand in /etc/crn.daily/backup t determine whether all recrding drives are archived t the same r different lcatins. The IVTVisin Server might save data recrded frm the same camera n different drives, s be sure t search all archive lcatins fr vide frm the time and camera f interest Pascal Gagnn Saint-Lenard, Quebec, Canada H1P 1Y4