Part II Revisting AWS S3 Storage Gateway (Test Drive Deployment)

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Part II Revisiting AWS S3 Storage Gateway (Test Drive Deployment)

This Amazon Web Service (AWS) Storage Gateway Revisited posts is a follow-up to the AWS Storage Gateway test drive and review I did a few years ago (thus why it’s called revisited). As part of a two-part series, the first post looks at what AWS Storage Gateway is, how it has improved since my last review of AWS Storage Gateway along with deployment options. The second post in the series looks at a sample test drive deployment and use.

What About Storage Gateway Costs?

Costs vary by region, type of storage being used (files stored in S3, Volume Storage, EBS Snapshots, Virtual Tape storage, Virtual Tape storage archive), as well as type of gateway host, along with how access and used. Request pricing varies including data written to AWS storage by gateway (up to maximum of $125.00 per month), snapshot/volume delete, virtual tape delete, (prorate fee for deletes within 90 days of being archived), virtual tape archival, virtual tape retrieval. Note that there are also various data transfer fees that also vary by region and gateway host. Learn more about pricing here.

What Are Some Storage Gateway Alternatives

AWS and S3 storage gateway access alternatives include those from various third-party (including that are in the AWS marketplace), as well as via data protection tools (e.g. backup/restore, archive, snapshot, replication) and more commonly storage systems. Some tools include Cloudberry, S3FS, S3 motion, S3 Browser among many others.

Tip is when a vendor says they support S3, ask them if that is for their back-end (e.g. they can access and store data in S3), or front-end (e.g. they can be accessed by applications that speak S3 API). Also explore what format the application, tool or storage system stores data in AWS storage, for example, are files mapped one to one to S3 objects along with corresponding directory hierarchy, or are they stored in a save set or other entity.

AWS Storage Gateway Deployment and Management Tips

Once you have created your AWS account (if you did not already have one) and logging into the AWS console (note the link defaults to US East 1 Region), go to the AWS Services Dashboard and select Storage Gateway (or click here which goes to US East 1). You will be presented with three options (File, Volume or VTL) modes.

What Does Storage Gateway and Install Look Like

The following is what installing a AWS Storage Gateway for file and then volume looks like. First, access the AWS Storage Gateway main landing page (it might change by time you read this) to get started. Scroll down and click on the Get Started with AWS Storage Gateway button or click here.

AWS Storage Gateway Landing Page

Select type of gateway to create, in the following example File is chosen.

Select type of AWS storage gateway

Next select the type of file gateway host (EC2 cloud hosted, or on-premises VMware). If you choose VMware, an OVA will be downloaded (follow the onscreen instructions) that you deploy on your ESXi system or with vCenter. Note that there is a different VMware VM gateway OAV for File Gateway and another for Volume Gateway. In the following example VMware ESXi OVA is selected and downloaded, then accessed via VMware tools such as vSphere Web Client for deployment.

AWS Storage Gateway select download

Once your VMware OVA file is downloaded from AWS, install using your preferred VMware tool, in this case I used the vSphere Web Client.

AWS Storage Gateway VM deploy

Once you have deployed the VMware VM for File Storage Gateway, it is time to connect to the gateway using the IP address assigned (static or DHCP) for the VM. Note that you may need to allocate some extra VMware storage to the VM if prompted (this mainly applies to Volume Gateway). Also follow directions about setting NTP time, using paravirtual adapters, thick vs. thin provisioning along with IP settings. Also double-check to make sure your VM and host are set for high-performance power setting. Note that the default username is sguser and password is sgpassword for the gateway.

AWS Storage Gateway Connect

Once you successfully connect to the gateway, next step will be to configure file share settings.

AWS Storage Gateway Configure File Share

Configure file share by selecting which gateway to use (in case you have more than one), name of an S3 bucket name to create, type of storage (S3 Standard or IA), along with Access Management security controls.

AWS Storage Gateway Create Share

Next step is to complete file share creation, not the commands provided for Linux and Windows for accessing the file share.

AWS Storage Gateway Review Share Settings

Review file share settings

AWS Storage Gateway access from Windows

Now lets use the file share by accessing and mounting to a Windows system, then copy some files to the file share.

AWS Storage Gateway verify Bucket Items

Now let’s go to the AWS console (or in our example use S3 Browser or your favorite tool) and look at the S3 bucket for the file share and see what is there. Note that each file is an object, and the objects simply appear as a file. If there were sub-directory those would also exist. Note that there are other buckets that I have masked out as we are only interested in the one named awsgwydemo that is configured using S3 Standard storage.

AWS Storage Gateway Volume

Now lets look at using the S3 Storage Gateway for Volumes. Similar to deploying for File Gateway, start out at the AWS Storage Gateway page and select Volume Gateway, then select what type of host (EC2 cloud, VMware or Hyper-V (2008 R2 or 2012) for on-premises deployment). Lets use the VMware Gateway, however as mentioned above, this is a different OVA/OVF than the File Gateway.

AWS Storage Gateway Configure Volume

Download the VMware OVA/OVF from AWS, and then install using your preferred VMware tools making sure to configure the gateway per instructions. Note that the Volume Gateway needs a couple of storage devices allocated to it. This means you will need to make sure that a SCSI adapter exists (or add one) to the VM, along with the disks (HDD or SSD) for local storage. Refer to AWS documentation about how to size, for my deployment I added a couple of small 80GB drives (you can choose to put on HDD or SSD including NVMe). Note that when connecting to the gateway if you get an error similar to below, make sure that you are in fact using the Volume Gateway and not mistakenly using the File Gateway OVA (VM). Note that the default username is sguser and password is sgpassword for the gateway.

AWS Storage Gateway Connect To Volume

Now connect to the local Volume Storage Gateway and notice the two local disks allocated to it.

AWS Storage Gateway Cached Volume Deploy

Next its time to create the Gateway which are deploying a Volume Cached below.

AWS Storage Gateway Volume Create

Next up is creating a volume, along with its security and access information.

AWS Storage Gateway Volume Settings

Volume configuration continued.

AWS Storage Gateway Volume CHAP

And now some additional configuration of the volume including iSCSI CHAP security.

AWS Storage Gateway Windows Access

Which leads us up to some Windows related volume access and configuration.

AWS Storage Gateway Using iSCSI Volume

Now lets use the new iSCSI based AWS Storage Gateway Volume. On the left you can see various WIndows command line activity, along with corresponding configuration information on the right.

AWS Storage Gateway Being Used by Windows

And there you have it, a quick tour of AWS Storage Gateway, granted there are more options that you can try yourself.

AWS

Where To Learn More

What This All Means

Overall I like the improvements that AWS has made to the Storage Gateway along with the different options it provides. Something to keep in mind is that if you are planning to use the AWS Storage Gateway File serving sharing mode that there are caveats to multiple concurrent writers to the same bucket. I would not be surprised if some other gateway or software based tool vendors tried to throw some fud towards the Storage Gateway, however ask them then how they coordinate multiple concurrent updates to a bucket while preserving data integrity.

Which Storage Gateway variant from AWS to use (e.g. File, Volume, VTL) depends on what your needs are, same with where the gateway is placed (Cloud hosted or on-premises with VMware or Hyper-V). Keep an eye on your costs, and more than just the storage space capacity. This means pay attention to your access and requests fees, as well as different service levels, along with data transfer fees.

You might wonder what about EFS and why you would want to use AWS Storage Gateway? Good question, at the time of this post EFS has evolved from being internal (e.g. within AWS and across regions) to having an external facing end-point however there is a catch. That catch which might have changed by time you read this is that the end-point can only be accessed from AWS Direct Connect locations.

This means that if your servers are not in a AWS Direct Connect location, without some creative configuration, EFS is not an option. Thus Storage Gateway File mode might be an option in place of EFS as well as using AWS storage access tools from others. For example I have some of my S3 buckets mounted on Linux systems using S3FS for doing rsync or other operations from local to cloud. In addition to S3FS, I also have various backup tools that place data into S3 buckets for backup, BC and DR as well as archiving.

Check out AWS Storage Gateway yourself and see what it can do or if it is a fit for your environment.

Ok, nuff said (for now…).

Cheers
Gs

Greg Schulz – Multi-year Microsoft MVP Cloud and Data Center Management, VMware vExpert (and vSAN). Author Cloud and Virtual Data Storage Networking (CRC Press), The Green and Virtual Data Center (CRC Press), Resilient Storage Networks (Elsevier) and twitter @storageio. Watch for the spring 2017 release of his new book "Software-Defined Data Infrastructure Essentials" (CRC Press).

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Open Data Center Alliance (ODCA) publishes two new cloud usage models

The Open Data Center Alliance (ODCA) has announced and published more documents for data center customers of cloud usage. These new cloud usage models for to address customer demands for interoperability of various clouds and services before for Infrastructure as a Service (IaaS) among other topics which are now joined by the new Software as a Service (SaaS), Platform as a Service (PaaS) and foundational document for cloud interoperability.

Unlike most industry trade groups or alliances that are vendor driven or centric, ODCA is consortium of global IT leaders (e.g. customers) that is vendor independent and comprises as 12 member steering committee from member companies (e.g. customers), learn more about ODCA here.

Disclosure note, StorageIO is an ODCA member, visit here to become an ODCA member.

From the ODCA announcement of the new documents:

The documents detail expectations for market delivery to the organizations mission of open, industry standard cloud solution adoption, and discussions have already begun with providers to help accelerate delivery of solutions based on these new requirements. This suite of requirements was joined by a Best Practices document from National Australia Bank (NAB) outlining carbon footprint reductions in cloud computing. NAB’s paper illustrates their leadership in innovative methods to report carbon emissions in the cloud and aligns their best practices to underlying Alliance requirements. All of these documents are available in the ODCA Documents Library.

The PaaS interoperability usage model outlines requirements for rapid application deployment, application scalability, application migration and business continuity. The SaaS interoperability usage model makes applications available on demand, and encourages consistent mechanisms, enabling cloud subscribers to efficiently consume SaaS via standard interactions. In concert with these usage models, the Alliance published the ODCA Guide to Interoperability, which describes proposed requirements for interoperability, portability and interconnectivity. The documents are designed to ensure that companies are able to move workloads across clouds.

It is great to see IT customer driven or centric groups step and actually deliver content and material to help their peers, or in some cases competitors that compliments information provided by vendors and vendor driven trade groups.

As with technologies, tools and services that often are seen as competitive, a mistake would be viewing ODCA as or in competition with other industry trade groups and organizations or vise versa. Rather, IT organizations and vendors can and should leverage the different content from the various sources. This is an opportunity for example vendors to learn more about what the customers are thinking or concerned about as opposed to telling IT organizations what to be looking at and vise versa.

Granted some marketing organizations or even trade groups may not like that and view groups such as ODCA as giving away control of who decides what is best for them. Smart vendors, vars, business partners, consultants and advisors are and will leverage material and resources such as ODCA, and likewise, groups like ODCA are open to including a diverse membership unlike some pay to play industry vendor centric trade groups. If you are a vendor, var or business partner, don’t look at ODCA as a threat, instead, explore how your customers or prospects may be involved with, or using ODCA material and leverage that as a differentiator between you and your competitor.

Likewise don’t be scared of vendor centric industry trade groups, alliances or consortiums, even the pay to play ones can have some value, although some have more value than others. For example from a storage and storage networking perspective, there are the Storage Networking Industry Association (SNIA) along with their various groups focused on Green and Energy along with Cloud Data Management Initiative (CDMI) related topics among others. There is also the SCSI Trade Association (STA) along with the Open Virtualization Alliance (OVA) not to mention the Open Fabric Alliance (OVA), Open Networking Foundation (ONF) and Computer Measurement Group (CMG) among many others that do good work and offer value with diverse content and offerings, some of which are free including to non members.

Learn more about the ODCA here, along with access various documents including usage models in the ODCA document library here.

While you are at, why not join StorageIO and other members by signing up to become a part of the ODCA here.

Ok, nuff said for now.

Cheers Gs

Greg Schulz – Author Cloud and Virtual Data Storage Networking (CRC Press, 2011), The Green and Virtual Data Center (CRC Press, 2009), and Resilient Storage Networks (Elsevier, 2004)

twitter @storageio

All Comments, (C) and (TM) belong to their owners/posters, Other content (C) Copyright 2006-2012 StorageIO and UnlimitedIO All Rights Reserved