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GSTN - Zimbra Collaboration suit
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== Sizing Considerations and design. == Considering the deployment of 100 users scalable to 200, the environment can be split up as follows: Assumptions* No of Users: 100 * Mail Box Quota / User: As per given user quota list. * Average Utilization: 60% * Outgoing Mail / User: 20 * Incoming Mail / User: 20 * Average Mail Size: 50 KB * Average Attachment Size: 1024 KB Front End Components:* 2 * Zimbra MTA / Proxy VM with 4 virtual cores and 16 GB of RAM * 2 * Zimbra Mailbox VM with 8 virtual cores and 16 GB of RAM Actual Allocation of Disk / LUN as per the Sizing in Zimbra {| style="border-spacing:0;width:17.672cm;" |- | style="background-color:#ffffff;border-top:0.75pt solid #000000;border-bottom:0.75pt solid #000000;border-left:0.75pt solid #000000;border-right:none;padding:0.051cm;" | Mailbox Server Storage | align=center style="background-color:#ffffff;border-top:0.75pt solid #000000;border-bottom:0.75pt solid #000000;border-left:0.75pt solid #000000;border-right:none;padding:0.051cm;" | Usable | align=center style="border-top:0.75pt solid #000000;border-bottom:0.75pt solid #000000;border-left:0.75pt solid #000000;border-right:none;padding:0.051cm;" | Mapped Disks | style="border:0.75pt solid #000000;padding:0.051cm;" | Remark |- | style="background-color:#ffffff;border-top:0.75pt solid #000000;border-bottom:0.75pt solid #000000;border-left:0.75pt solid #000000;border-right:none;padding:0.051cm;" | Required Primary Space (TB) | align=center style="background-color:#ffffff;border-top:0.75pt solid #000000;border-bottom:0.75pt solid #000000;border-left:0.75pt solid #000000;border-right:none;padding:0.051cm;" | 0.2 | style="border-top:0.75pt solid #000000;border-bottom:0.75pt solid #000000;border-left:0.75pt solid #000000;border-right:none;padding:0.051cm;" | 1024 (RAID 1) | style="border:0.75pt solid #000000;padding:0.051cm;" | User Mailbox |- | style="background-color:#ffffff;border-top:0.75pt solid #000000;border-bottom:0.75pt solid #000000;border-left:0.75pt solid #000000;border-right:none;padding:0.051cm;" | Required Backup Space (TB)* | align=center style="background-color:#ffffff;border-top:0.75pt solid #000000;border-bottom:0.75pt solid #000000;border-left:0.75pt solid #000000;border-right:none;padding:0.051cm;" | 0.4 | style="border-top:0.75pt solid #000000;border-bottom:0.75pt solid #000000;border-left:0.75pt solid #000000;border-right:none;padding:0.051cm;" | 400 (Raid5) SANBackup LUN | style="border:0.75pt solid #000000;padding:0.051cm;" | Zimbra Native Backup , 1 Full Backup and 6 Incremental Backups |- | style="background-color:#ffffff;border-top:0.75pt solid #000000;border-bottom:0.75pt solid #000000;border-left:0.75pt solid #000000;border-right:none;padding:0.051cm;" | Required Archive Space(TB)** | align=center style="background-color:#ffffff;border-top:0.75pt solid #000000;border-bottom:0.75pt solid #000000;border-left:0.75pt solid #000000;border-right:none;padding:0.051cm;" | 0.4 | style="border-top:0.75pt solid #000000;border-bottom:0.75pt solid #000000;border-left:0.75pt solid #000000;border-right:none;padding:0.051cm;" | 1024 (Raid5) | style="border:0.75pt solid #000000;padding:0.051cm;" | Archive Mailbox retention policy 90 days on Live Environment |- | style="background-color:#ffffff;border-top:0.75pt solid #000000;border-bottom:0.75pt solid #000000;border-left:0.75pt solid #000000;border-right:none;padding:0.051cm;" | | align=center style="background-color:#ffffff;border-top:0.75pt solid #000000;border-bottom:0.75pt solid #000000;border-left:0.75pt solid #000000;border-right:none;padding:0.051cm;" | | style="border-top:0.75pt solid #000000;border-bottom:0.75pt solid #000000;border-left:0.75pt solid #000000;border-right:none;padding:0.051cm;" | | style="border:0.75pt solid #000000;padding:0.051cm;" | |- |} <nowiki>* Includes one full backups and one week of incremental. </nowiki>Assumes nightly incremental are 10% as big as full. <nowiki>** Archived data on Disk is calculated for 180 Days</nowiki> Full Backup of Archive Email will be done through backup for 30 days and will be retained for 7 years. Daily incremental and weekly Full Backup of mailbox folder will happen to maintain a retention of 28 days.
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