diff --git a/Capfile b/Capfile
index 2c768ee408..723e6c3b84 100644
--- a/Capfile
+++ b/Capfile
@@ -28,11 +28,6 @@ require 'capistrano/rails/migrations'
 require 'capistrano/data_migrate'
 require 'capistrano/yarn'
 require 'capistrano/puma'
-install_plugin Capistrano::Puma # Default puma tasks
-install_plugin Capistrano::Puma::Systemd
-
-install_plugin Capistrano::Sidekiq
-install_plugin Capistrano::Sidekiq::Systemd
 
 # Load custom tasks from `lib/capistrano/tasks` if you have any defined
 Dir.glob('lib/capistrano/tasks/*.rake').each { |r| import r }
diff --git a/Gemfile b/Gemfile
index 9daaf6754e..ed0a6fb18a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -43,7 +43,7 @@ gem 'aws-sdk-s3', '~> 1.208'
 gem 'aws-sdk-sns'
 gem 'bootsnap', require: false
 gem 'charlock_holmes', '~> 0.7.9'
-gem 'commonmarker', '~> 2.4'
+gem 'commonmarker', '~> 2.6.3'
 gem 'concurrent-ruby', '~> 1.3.4'
 gem 'daemons', '~> 1.4.1'
 gem 'database_cleaner', '~> 2.0.1'
diff --git a/Gemfile.lock b/Gemfile.lock
index ef898aff72..1ef5d9f310 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -207,10 +207,9 @@ GEM
       execjs
     coffee-script-source (1.12.2)
     colorize (1.1.0)
-    commonmarker (2.4.1)
-      rb_sys (~> 0.9)
-    commonmarker (2.4.1-x86_64-darwin)
-    commonmarker (2.4.1-x86_64-linux)
+    commonmarker (2.6.3-arm64-darwin)
+    commonmarker (2.6.3-x86_64-darwin)
+    commonmarker (2.6.3-x86_64-linux)
     concurrent-ruby (1.3.5)
     connection_pool (2.5.3)
     crack (1.0.0)
@@ -544,13 +543,10 @@ GEM
       zeitwerk (~> 2.6)
     rainbow (3.1.1)
     rake (13.2.1)
-    rake-compiler-dock (1.9.1)
     rb-fsevent (0.11.2)
     rb-inotify (0.11.1)
       ffi (~> 1.0)
     rb-readline (0.5.5)
-    rb_sys (0.9.117)
-      rake-compiler-dock (= 1.9.1)
     rdoc (6.1.2.1)
     react-rails (2.6.2)
       babel-transpiler (>= 0.7.0)
@@ -803,7 +799,7 @@ DEPENDENCIES
   charlock_holmes (~> 0.7.9)
   coffee-rails (~> 5.0)
   colorize
-  commonmarker (~> 2.4)
+  commonmarker (~> 2.6.3)
   concurrent-ruby (~> 1.3.4)
   daemons (~> 1.4.1)
   data_migrate
diff --git a/app/services/stash_engine/deep_storage_file_validation_service.rb b/app/services/stash_engine/deep_storage_file_validation_service.rb
index e3107d381d..1114f33a20 100644
--- a/app/services/stash_engine/deep_storage_file_validation_service.rb
+++ b/app/services/stash_engine/deep_storage_file_validation_service.rb
@@ -16,8 +16,14 @@ def validate_file
       storage = head.storage_class
 
       # Request restore if Glacier/Deep Archive
+      if storage == 'GLACIER_IR'
+        # Validate checksums and size
+        process_file
+        return
+      end
+
       begin
-        if %w[GLACIER DEEP_ARCHIVE GLACIER_IR].include?(storage)
+        if %w[GLACIER DEEP_ARCHIVE].include?(storage)
           puts "Requesting restore for #{@key} (Deep Archive)"
           @s3.restore_object(
             bucket: @bucket,
@@ -32,7 +38,7 @@ def validate_file
 
       # Wait until restoration is complete
       wait_for_restore
-      # Generate checksums
+      # Validate checksums and size
       process_file
     end
 
diff --git a/config/deploy.rb b/config/deploy.rb
index 904dfef406..5af4f2a938 100644
--- a/config/deploy.rb
+++ b/config/deploy.rb
@@ -6,21 +6,30 @@
 set :rails_env, ENV['RAILS_ENV'] || 'production'
 set :repo_url, ENV['REPO_URL'] || 'https://github.com/datadryad/dryad-app.git'
 set :branch, ENV['BRANCH'] || 'main'
+set :role, ENV['ROLE'] || 'app'
 
 set :application, 'dryad'
 set :default_env, { path: "$PATH" }
 
 # Gets the current Git tag and revision
 set :version_number, `git describe --tags`
+set :migration_role, fetch(:role)
+set :log_level, :debug
 
-set :migration_role, :app
+if fetch(:role).to_s == 'worker'
+  # disable asset compilation
+  Rake::Task["deploy:assets:precompile"].clear
 
-set :log_level, :debug
+  # disable migrations
+  Rake::Task["deploy:migrate"].clear
+end
 
 # this copies these files over from shared, but only the files that exist on that machine
 set :optional_shared_files, %w{
   config/master.key
 }
+set :puma_service_unit_name, 'puma'
+set :puma_systemctl_user, :system
 set :sidekiq_systemctl_user, :system
 
 # Default value for linked_dirs is []
@@ -41,20 +50,15 @@
   after :deploy, 'git:version'
   after :deploy, 'cleanup:remove_example_configs'
   after 'deploy:symlink:linked_dirs', 'deploy:files:optional_copied_files'
-  after 'deploy:published', 'sidekiq:restart'
 end
 
-set :puma_service_unit_name, 'puma'
-set :puma_systemctl_user, :system
-
-namespace :puma do
-  after :restart, :index_help_center
-end
+after :deploy, 'puma:restart_if_exists'
+after :deploy, 'sidekiq:restart_if_exists'
 
 namespace :git do
   desc "Add the version file so that we can display the git version in the footer"
   task :version do
-    on roles(:app), wait: 1 do
+    on roles(:app, :worker), wait: 1 do
       execute "touch #{release_path}/.version"
       execute "echo '#{fetch :version_number}' >> #{release_path}/.version"
     end
@@ -64,7 +68,7 @@
 namespace :deploy do
   namespace :files do
     task :optional_copied_files do
-      on roles(:app), wait: 1 do
+      on roles(:app, :worker), wait: 1 do
         optional_shared_files = fetch(:optional_shared_files, [])
         optional_shared_files.flatten.each do |file|
           if test "[ -f #{shared_path}/#{file} ]"
@@ -76,11 +80,32 @@
   end
 end
 
+namespace :puma do
+  task :restart_if_exists do
+    on roles(:app) do
+      service = fetch(:puma_service_unit_name, "puma")
+
+      if test("[ -f /etc/systemd/system/#{service}.service ]") ||
+        test("systemctl list-unit-files | grep -q #{service}.service")
+        execute :sudo, :systemctl, :restart, "#{service}.service"
+      else
+        info "Puma service #{service} not found, skipping restart"
+      end
+    end
+  end
+end
+
 namespace :sidekiq do
-  task :restart do
-    on roles(:app), in: :sequence, wait: 5 do
-      if test("systemctl list-unit-files | grep sidekiq.service")
-        execute :sudo, :systemctl, :restart, "sidekiq"
+  task :restart_if_exists do
+    on roles(:app) do
+      service = fetch(:sidekiq_service_unit_name, "sidekiq")
+
+      if test("[ -f /etc/systemd/system/#{service}.service ]") ||
+        test("systemctl list-unit-files | grep -q #{service}.service")
+        execute :sudo, :systemctl, :restart, "#{service}.service"
+        after :deploy, :index_help_center
+      else
+        info "Sidekiq service #{service} not found, skipping restart"
       end
     end
   end
@@ -89,7 +114,7 @@
 namespace :cleanup do
   desc "Remove all of the example config files"
   task :remove_example_configs do
-    on roles(:app), wait: 1 do
+    on roles(:app, :worker), wait: 1 do
       execute "rm -f #{release_path}/config/*.yml.sample"
       execute "rm -f #{release_path}/config/initializers/*.rb.example"
     end
@@ -97,7 +122,7 @@
 end
 
 task :index_help_center do
-  desc  "Index help center"
+  desc "Index help center"
   on roles(:app) do
     sleep 10
     within release_path do
diff --git a/cron/README.md b/cron/README.md
index 14dc994622..7296093ec1 100644
--- a/cron/README.md
+++ b/cron/README.md
@@ -10,6 +10,7 @@ The files deploy with the code (in `/home/ec2-user/deploy/current`), but the log
 Cron jobs run on one of the following schedules:
 - every_5.sh <-- Every 5 minutes
 - daily.sh <-- Every day at 12:00
+- eu_daily.sh <-- Every day at 12:00 - only for EU servers
 - weekly.sh <-- Every Sunday at 21:00
 - monthly.sh <- On the 20th at 19:00
 
diff --git a/cron/eu_daily.sh b/cron/eu_daily.sh
new file mode 100755
index 0000000000..470d14b750
--- /dev/null
+++ b/cron/eu_daily.sh
@@ -0,0 +1,9 @@
+#!/bin/bash
+
+: ${1:?"Need to pass in environment (e.g. development, stage, production)"}
+
+cd /home/ec2-user/deploy/current/
+export RAILS_ENV="$1"
+
+# Spot check files digests for secondary storage
+bundle exec rails checksums:spot_check_secondary_storage_files >> /home/ec2-user/deploy/shared/log/spot_check_secondary_storage_files.log 2>&1
diff --git a/cron/files/eu/cron_daily.service b/cron/files/eu/cron_daily.service
new file mode 100644
index 0000000000..de2166f319
--- /dev/null
+++ b/cron/files/eu/cron_daily.service
@@ -0,0 +1,10 @@
+[Unit]
+Description=Cron service - daily
+Wants=cron_daily.timer
+
+[Service]
+Type=oneshot
+ExecStart=/bin/bash -c "/home/ec2-user/deploy/current/cron/eu_daily.sh production >> /home/ec2-user/deploy/shared/log/cron.log 2>&1"
+
+[Install]
+WantedBy=multi-user.target
diff --git a/cron/files/cron_daily.timer b/cron/files/eu/cron_daily.timer
similarity index 100%
rename from cron/files/cron_daily.timer
rename to cron/files/eu/cron_daily.timer
diff --git a/cron/files/cron_5min.service b/cron/files/us/cron_5min.service
similarity index 100%
rename from cron/files/cron_5min.service
rename to cron/files/us/cron_5min.service
diff --git a/cron/files/cron_5min.timer b/cron/files/us/cron_5min.timer
similarity index 100%
rename from cron/files/cron_5min.timer
rename to cron/files/us/cron_5min.timer
diff --git a/cron/files/cron_daily.service b/cron/files/us/cron_daily.service
similarity index 99%
rename from cron/files/cron_daily.service
rename to cron/files/us/cron_daily.service
index 0440869ddf..3ff301d4a4 100644
--- a/cron/files/cron_daily.service
+++ b/cron/files/us/cron_daily.service
@@ -1,7 +1,7 @@
 [Unit]
 Description=Cron service - daily
 Wants=cron_daily.timer
- 
+
 [Service]
 Type=oneshot
 ExecStart=/bin/bash -c "/home/ec2-user/deploy/current/cron/daily.sh production >> /home/ec2-user/deploy/shared/log/cron.log 2>&1"
diff --git a/cron/files/us/cron_daily.timer b/cron/files/us/cron_daily.timer
new file mode 100644
index 0000000000..f08a1d32a0
--- /dev/null
+++ b/cron/files/us/cron_daily.timer
@@ -0,0 +1,10 @@
+[Unit]
+Description=Cron timer - daily
+Requires=cron_daily.service
+
+[Timer]
+OnCalendar=*-*-* 12:00:00
+Unit=cron_daily.service
+
+[Install]
+WantedBy=timers.target
diff --git a/cron/files/cron_hourly.service b/cron/files/us/cron_hourly.service
similarity index 100%
rename from cron/files/cron_hourly.service
rename to cron/files/us/cron_hourly.service
diff --git a/cron/files/cron_hourly.timer b/cron/files/us/cron_hourly.timer
similarity index 100%
rename from cron/files/cron_hourly.timer
rename to cron/files/us/cron_hourly.timer
diff --git a/cron/files/cron_monthly.service b/cron/files/us/cron_monthly.service
similarity index 100%
rename from cron/files/cron_monthly.service
rename to cron/files/us/cron_monthly.service
diff --git a/cron/files/cron_monthly.timer b/cron/files/us/cron_monthly.timer
similarity index 100%
rename from cron/files/cron_monthly.timer
rename to cron/files/us/cron_monthly.timer
diff --git a/cron/files/cron_weekly.service b/cron/files/us/cron_weekly.service
similarity index 100%
rename from cron/files/cron_weekly.service
rename to cron/files/us/cron_weekly.service
diff --git a/cron/files/cron_weekly.timer b/cron/files/us/cron_weekly.timer
similarity index 100%
rename from cron/files/cron_weekly.timer
rename to cron/files/us/cron_weekly.timer
diff --git a/cron/weekly.sh b/cron/weekly.sh
index 58296aba5b..d1e1fd9914 100755
--- a/cron/weekly.sh
+++ b/cron/weekly.sh
@@ -32,6 +32,3 @@ fi
 bundle exec rails cleanup:delete_orphan_records >> /home/ec2-user/deploy/shared/log/delete_orphan_records.log 2>&1
 bundle exec rails certbot:check_and_notify >> /home/ec2-user/deploy/shared/log/certbot.log 2>&1
 bundle exec rails s3_policies:deleted_files_check >> /home/ec2-user/deploy/shared/log/s3_policies_deleted_files_check.log 2>&1
-
-# Spot check files digests for secondary storage
-bundle exec rails checksums:spot_check_secondary_storage_files >> /home/ec2-user/deploy/shared/log/spot_check_secondary_storage_files.log 2>&1
diff --git a/documentation/dryad_install.md b/documentation/dryad_install.md
index 942ca5e5f3..44f10f4a01 100644
--- a/documentation/dryad_install.md
+++ b/documentation/dryad_install.md
@@ -144,7 +144,7 @@ of configuration values. For most installations, the value will be `local`.
 Encrypted credentials: Many of Dryad's configuration files read
 credentials from the Rails credentials file. Before Rails will run, you must do
 one of two steps:
-- (for Dryad development team) Obtain the credentials encryption key from a Dryad developer and place it in `config/master.key`
+- (for Dryad development team) Obtain the credentials encryption key from a Dryad developer and place it in `~/deploy/shared/config/master.key`
 - (for non-Dryad users of the code) In all files `config/*.yml`, replace the `Rails.application.credentials`
   statements with your own credentials.
 
diff --git a/documentation/external_services/amazon_aws_ec2_setup.md b/documentation/external_services/amazon_aws_ec2_setup.md
index 7121b4020a..5217444286 100644
--- a/documentation/external_services/amazon_aws_ec2_setup.md
+++ b/documentation/external_services/amazon_aws_ec2_setup.md
@@ -27,6 +27,16 @@ sudo dnf install mysql80-community-release-el9-5.noarch.rpm -y
 sudo dnf install mysql-community-server -y
 sudo yum install mysql-devel
 ```
+
+- if `mysql-community-server` or `mysql-devel` can not be found, try this:
+```
+sudo rpm --import https://repo.mysql.com/RPM-GPG-KEY-mysql-2022
+wget http://dev.mysql.com/get/mysql80-community-release-el9-5.noarch.rpm
+sudo yum localinstall -y mysql80-community-release-el9-5.noarch.rpm
+sudo yum install -y mysql-community-server
+sudo yum install -y mysql-devel
+```
+
 - check out the Dryad code
 ```
 git clone https://github.com/datadryad/dryad-app.git
@@ -56,7 +66,7 @@ bundle install
 - update the credentials and deploy script for the specified environment
 ```
 mkdir -p ~/deploy/shared/config/credentials/
-# if using a stage or prod environment, put the key in the appropriate place (REPLACE the "stage" with the approppriate key name)
+# if using a dev, stage or prod environment, put the key in the appropriate place (REPLACE the "stage" with the approppriate key name)
 cp stage.key ~/deploy/shared/config/credentials/
 cp ~/dryad-app/script/server-utils/deploy_dryad.sh ~/bin/
 # EDIT the deploy_dryad.sh to use correct environment name
@@ -120,7 +130,7 @@ mysql_stg.sh < myfile.sql
 
 AWS RDS database engine update
 =====================================
-This can be done in 2 ways:
+This can be done in two ways:
 
 ## Direct update from AWS console
 - Will update the database engine version to a new version on current database instance
diff --git a/lib/tasks/file_validate.rake b/lib/tasks/file_validate.rake
index 484c923328..972b2c3b48 100644
--- a/lib/tasks/file_validate.rake
+++ b/lib/tasks/file_validate.rake
@@ -127,21 +127,23 @@ namespace :checksums do
 
   desc 'Spot checks of secondary file replicas'
   task spot_check_secondary_storage_files: :environment do
+    files_to_check = 10 # per day
+    max_size = 10_000_000_000
     today = Time.now.utc
     puts ''
-    puts "Validating secondary storage checksums for 5 random files #{today}"
-    # 5 random files which
-    #  have a digest
-    #  are not withdrawn
-    #  are under 1GB
-    #  resource is not in progress
+    puts "Validating secondary storage checksums for #{files_to_check} random files #{today}"
+    # 10 random files which
+    # have a digest
+    # are not withdrawn
+    # are under 10GB
+    # resource is not in progress
     StashEngine::DataFile
       .where(file_state: 'created', file_deleted_at: nil)
       .where.not(digest: nil)
-      .where(upload_file_size: ..1_000_000_000)
+      .where(upload_file_size: ..max_size)
       .joins(resource: :identifier)
       .where.not(identifier: { pub_state: 'withdrawn' })
-      .order(Arel.sql('RAND()')).limit(50)
+      .order(Arel.sql('RAND()')).limit(files_to_check)
       .each do |file|
 
       next if !file.resource || file.resource.current_state != 'submitted'
diff --git a/script/server-utils/deploy_dryad.sh b/script/server-utils/deploy_dryad.sh
index 14996c6324..738057f2cd 100755
--- a/script/server-utils/deploy_dryad.sh
+++ b/script/server-utils/deploy_dryad.sh
@@ -10,8 +10,7 @@ function errexit {
 }
 
 # Arg for git reference (branch or tag) required
-if [ $# -ne 1 ]; then errexit "Usage: $(basename $0) <git-ref>"; fi
-
+if [ $# -lt 1 ] || [ $# -gt 2 ]; then errexit "Usage: $(basename $0) <git-ref> <role>"; fi
 
 WORKING_TREE=/home/ec2-user/dryad-app
 CAP_STAGE="stage"
@@ -20,6 +19,7 @@ RAILS_ENV="stage"
 REPO_URL="https://github.com/datadryad/dryad-app.git"
 BUNDLE="/home/ec2-user/.rbenv/shims/bundle"
 BRANCH=$1
+ROLE="${2:-app}"
 
 cd $WORKING_TREE
 git pull origin $BRANCH
@@ -27,5 +27,5 @@ $BUNDLE config set --local path '.'
 $BUNDLE config set --local without 'pgsql'
 $BUNDLE config set --local clean 'true'
 $BUNDLE install
-echo $BUNDLE exec cap --trace $CAP_STAGE deploy BRANCH=$BRANCH REPO_URL=$REPO_URL RAILS_ENV=$RAILS_ENV DEPLOY_TO=$DEPLOY_TO SERVER_HOSTS='localhost'
-$BUNDLE exec cap --trace $CAP_STAGE deploy BRANCH=$BRANCH REPO_URL=$REPO_URL RAILS_ENV=$RAILS_ENV DEPLOY_TO=$DEPLOY_TO SERVER_HOSTS='localhost'
+echo $BUNDLE exec cap --trace $CAP_STAGE deploy BRANCH=$BRANCH REPO_URL=$REPO_URL RAILS_ENV=$RAILS_ENV DEPLOY_TO=$DEPLOY_TO SERVER_HOSTS='localhost' ROLE=$ROLE
+$BUNDLE exec cap --trace $CAP_STAGE deploy BRANCH=$BRANCH REPO_URL=$REPO_URL RAILS_ENV=$RAILS_ENV DEPLOY_TO=$DEPLOY_TO SERVER_HOSTS='localhost' ROLE=$ROLE